See perfidus on Wiktionary
{
"antonyms": [
{
"sense": "sense 1",
"word": "castus"
},
{
"word": "honestus"
},
{
"word": "pudīcus"
}
],
"derived": [
{
"_dis1": "0 0",
"word": "perfidē"
},
{
"_dis1": "0 0",
"word": "perfidia"
}
],
"descendants": [
{
"depth": 1,
"templates": [
{
"args": {
"1": "fr",
"2": "perfide"
},
"expansion": "French: perfide",
"name": "desc"
}
],
"text": "French: perfide"
},
{
"depth": 2,
"templates": [
{
"args": {
"1": "de",
"2": "perfide"
},
"expansion": "German: perfide",
"name": "desc"
}
],
"text": "German: perfide"
},
{
"depth": 2,
"templates": [],
"text": "English: perfidy"
},
{
"depth": 1,
"templates": [
{
"args": {
"1": "it",
"2": "perfido"
},
"expansion": "Italian: perfido",
"name": "desc"
}
],
"text": "Italian: perfido"
},
{
"depth": 1,
"templates": [
{
"args": {
"1": "pt",
"2": "pérfido"
},
"expansion": "Portuguese: pérfido",
"name": "desc"
}
],
"text": "Portuguese: pérfido"
},
{
"depth": 1,
"templates": [
{
"args": {
"1": "es",
"2": "pérfido"
},
"expansion": "Spanish: pérfido",
"name": "desc"
}
],
"text": "Spanish: pérfido"
}
],
"etymology_templates": [
{
"args": {
"1": "la",
"2": "per",
"3": "fidēs",
"4": "-us",
"pos3": "adjectival suffix",
"t1": "through; along",
"t2": "faith; trust"
},
"expansion": "per (“through; along”) + fidēs (“faith; trust”) + -us (adjectival suffix)",
"name": "af"
}
],
"etymology_text": "From per (“through; along”) + fidēs (“faith; trust”) + -us (adjectival suffix), based on the phrase per fidem dēcipere (“to deceive through faith”).",
"forms": [
{
"form": "perfida",
"tags": [
"feminine"
]
},
{
"form": "perfidum",
"tags": [
"neuter"
]
},
{
"form": "no-table-tags",
"source": "declension",
"tags": [
"table-tags"
]
},
{
"form": "la-adecl",
"source": "declension",
"tags": [
"inflection-template"
]
},
{
"form": "perfidus",
"source": "declension",
"tags": [
"masculine",
"nominative",
"singular"
]
},
{
"form": "perfida",
"source": "declension",
"tags": [
"feminine",
"nominative",
"singular"
]
},
{
"form": "perfidum",
"source": "declension",
"tags": [
"neuter",
"nominative",
"singular"
]
},
{
"form": "perfidī",
"source": "declension",
"tags": [
"masculine",
"nominative",
"plural"
]
},
{
"form": "perfidae",
"source": "declension",
"tags": [
"feminine",
"nominative",
"plural"
]
},
{
"form": "perfida",
"source": "declension",
"tags": [
"neuter",
"nominative",
"plural"
]
},
{
"form": "perfidī",
"source": "declension",
"tags": [
"genitive",
"masculine",
"singular"
]
},
{
"form": "perfidae",
"source": "declension",
"tags": [
"feminine",
"genitive",
"singular"
]
},
{
"form": "perfidī",
"source": "declension",
"tags": [
"genitive",
"neuter",
"singular"
]
},
{
"form": "perfidōrum",
"source": "declension",
"tags": [
"genitive",
"masculine",
"plural"
]
},
{
"form": "perfidārum",
"source": "declension",
"tags": [
"feminine",
"genitive",
"plural"
]
},
{
"form": "perfidōrum",
"source": "declension",
"tags": [
"genitive",
"neuter",
"plural"
]
},
{
"form": "perfidō",
"source": "declension",
"tags": [
"dative",
"masculine",
"singular"
]
},
{
"form": "perfidae",
"source": "declension",
"tags": [
"dative",
"feminine",
"singular"
]
},
{
"form": "perfidō",
"source": "declension",
"tags": [
"dative",
"neuter",
"singular"
]
},
{
"form": "perfidīs",
"source": "declension",
"tags": [
"dative",
"feminine",
"masculine",
"neuter",
"plural"
]
},
{
"form": "perfidum",
"source": "declension",
"tags": [
"accusative",
"masculine",
"singular"
]
},
{
"form": "perfidam",
"source": "declension",
"tags": [
"accusative",
"feminine",
"singular"
]
},
{
"form": "perfidum",
"source": "declension",
"tags": [
"accusative",
"neuter",
"singular"
]
},
{
"form": "perfidōs",
"source": "declension",
"tags": [
"accusative",
"masculine",
"plural"
]
},
{
"form": "perfidās",
"source": "declension",
"tags": [
"accusative",
"feminine",
"plural"
]
},
{
"form": "perfida",
"source": "declension",
"tags": [
"accusative",
"neuter",
"plural"
]
},
{
"form": "perfidō",
"source": "declension",
"tags": [
"ablative",
"masculine",
"singular"
]
},
{
"form": "perfidā",
"source": "declension",
"tags": [
"ablative",
"feminine",
"singular"
]
},
{
"form": "perfidō",
"source": "declension",
"tags": [
"ablative",
"neuter",
"singular"
]
},
{
"form": "perfidīs",
"source": "declension",
"tags": [
"ablative",
"feminine",
"masculine",
"neuter",
"plural"
]
},
{
"form": "perfide",
"source": "declension",
"tags": [
"masculine",
"singular",
"vocative"
]
},
{
"form": "perfida",
"source": "declension",
"tags": [
"feminine",
"singular",
"vocative"
]
},
{
"form": "perfidum",
"source": "declension",
"tags": [
"neuter",
"singular",
"vocative"
]
},
{
"form": "perfidī",
"source": "declension",
"tags": [
"masculine",
"plural",
"vocative"
]
},
{
"form": "perfidae",
"source": "declension",
"tags": [
"feminine",
"plural",
"vocative"
]
},
{
"form": "perfida",
"source": "declension",
"tags": [
"neuter",
"plural",
"vocative"
]
}
],
"head_templates": [
{
"args": {
"1": "perfidus"
},
"expansion": "perfidus (feminine perfida, neuter perfidum); first/second-declension adjective",
"name": "la-adj"
}
],
"inflection_templates": [
{
"args": {
"1": "perfidus"
},
"name": "la-adecl"
}
],
"lang": "Latin",
"lang_code": "la",
"pos": "adj",
"related": [
{
"_dis1": "0 0",
"word": "perfidiōsē"
},
{
"_dis1": "0 0",
"word": "perfidiōsus"
}
],
"senses": [
{
"categories": [
{
"_dis": "95 5",
"kind": "other",
"name": "Latin entries with incorrect language header",
"parents": [],
"source": "w+disamb"
},
{
"_dis": "88 12",
"kind": "other",
"name": "Latin terms suffixed with -us",
"parents": [],
"source": "w+disamb"
},
{
"_dis": "96 4",
"kind": "other",
"name": "Pages with 1 entry",
"parents": [],
"source": "w+disamb"
},
{
"_dis": "97 3",
"kind": "other",
"name": "Pages with entries",
"parents": [],
"source": "w+disamb"
}
],
"examples": [
{
"ref": "29 BCE – 19 BCE, Virgil, Aeneid 4.305–306",
"text": "“Dissimulāre etiam spērāstī, perfide, tantum\nposse nefās, tacitusque meā dēcēdere terrā?”\n“Had you even hoped to be able to hide so great a crime – you faithless [man]! – and to slip away from my land unnoticed?”"
}
],
"glosses": [
"that breaks one's promise; false; faithless; dishonest; disloyal; deceitful"
],
"id": "en-perfidus-la-adj-YO~nlYUy",
"links": [
[
"break",
"break"
],
[
"promise",
"promise"
],
[
"false",
"false"
],
[
"faithless",
"faithless"
],
[
"dishonest",
"dishonest"
],
[
"disloyal",
"disloyal"
],
[
"deceitful",
"deceitful"
]
],
"tags": [
"adjective",
"declension-1",
"declension-2"
]
},
{
"glosses": [
"treacherous; unsafe; dangerous"
],
"id": "en-perfidus-la-adj-SGYBL2bX",
"links": [
[
"treacherous",
"treacherous"
],
[
"unsafe",
"unsafe"
],
[
"dangerous",
"dangerous"
]
],
"raw_glosses": [
"(by extension) treacherous; unsafe; dangerous"
],
"synonyms": [
{
"word": "īnfīdus"
}
],
"tags": [
"adjective",
"broadly",
"declension-1",
"declension-2"
]
}
],
"sounds": [
{
"ipa": "[ˈpɛr.fɪ.dʊs]",
"tags": [
"Classical-Latin"
]
},
{
"ipa": "[ˈpɛr.fi.d̪us]",
"note": "modern Italianate Ecclesiastical"
}
],
"word": "perfidus"
}
{
"antonyms": [
{
"sense": "sense 1",
"word": "castus"
},
{
"word": "honestus"
},
{
"word": "pudīcus"
}
],
"categories": [
"Latin 3-syllable words",
"Latin adjectives",
"Latin compound terms",
"Latin entries with incorrect language header",
"Latin first and second declension adjectives",
"Latin lemmas",
"Latin terms suffixed with -us",
"Latin terms with IPA pronunciation",
"Pages with 1 entry",
"Pages with entries"
],
"derived": [
{
"word": "perfidē"
},
{
"word": "perfidia"
}
],
"descendants": [
{
"depth": 1,
"templates": [
{
"args": {
"1": "fr",
"2": "perfide"
},
"expansion": "French: perfide",
"name": "desc"
}
],
"text": "French: perfide"
},
{
"depth": 2,
"templates": [
{
"args": {
"1": "de",
"2": "perfide"
},
"expansion": "German: perfide",
"name": "desc"
}
],
"text": "German: perfide"
},
{
"depth": 2,
"templates": [],
"text": "English: perfidy"
},
{
"depth": 1,
"templates": [
{
"args": {
"1": "it",
"2": "perfido"
},
"expansion": "Italian: perfido",
"name": "desc"
}
],
"text": "Italian: perfido"
},
{
"depth": 1,
"templates": [
{
"args": {
"1": "pt",
"2": "pérfido"
},
"expansion": "Portuguese: pérfido",
"name": "desc"
}
],
"text": "Portuguese: pérfido"
},
{
"depth": 1,
"templates": [
{
"args": {
"1": "es",
"2": "pérfido"
},
"expansion": "Spanish: pérfido",
"name": "desc"
}
],
"text": "Spanish: pérfido"
}
],
"etymology_templates": [
{
"args": {
"1": "la",
"2": "per",
"3": "fidēs",
"4": "-us",
"pos3": "adjectival suffix",
"t1": "through; along",
"t2": "faith; trust"
},
"expansion": "per (“through; along”) + fidēs (“faith; trust”) + -us (adjectival suffix)",
"name": "af"
}
],
"etymology_text": "From per (“through; along”) + fidēs (“faith; trust”) + -us (adjectival suffix), based on the phrase per fidem dēcipere (“to deceive through faith”).",
"forms": [
{
"form": "perfida",
"tags": [
"feminine"
]
},
{
"form": "perfidum",
"tags": [
"neuter"
]
},
{
"form": "no-table-tags",
"source": "declension",
"tags": [
"table-tags"
]
},
{
"form": "la-adecl",
"source": "declension",
"tags": [
"inflection-template"
]
},
{
"form": "perfidus",
"source": "declension",
"tags": [
"masculine",
"nominative",
"singular"
]
},
{
"form": "perfida",
"source": "declension",
"tags": [
"feminine",
"nominative",
"singular"
]
},
{
"form": "perfidum",
"source": "declension",
"tags": [
"neuter",
"nominative",
"singular"
]
},
{
"form": "perfidī",
"source": "declension",
"tags": [
"masculine",
"nominative",
"plural"
]
},
{
"form": "perfidae",
"source": "declension",
"tags": [
"feminine",
"nominative",
"plural"
]
},
{
"form": "perfida",
"source": "declension",
"tags": [
"neuter",
"nominative",
"plural"
]
},
{
"form": "perfidī",
"source": "declension",
"tags": [
"genitive",
"masculine",
"singular"
]
},
{
"form": "perfidae",
"source": "declension",
"tags": [
"feminine",
"genitive",
"singular"
]
},
{
"form": "perfidī",
"source": "declension",
"tags": [
"genitive",
"neuter",
"singular"
]
},
{
"form": "perfidōrum",
"source": "declension",
"tags": [
"genitive",
"masculine",
"plural"
]
},
{
"form": "perfidārum",
"source": "declension",
"tags": [
"feminine",
"genitive",
"plural"
]
},
{
"form": "perfidōrum",
"source": "declension",
"tags": [
"genitive",
"neuter",
"plural"
]
},
{
"form": "perfidō",
"source": "declension",
"tags": [
"dative",
"masculine",
"singular"
]
},
{
"form": "perfidae",
"source": "declension",
"tags": [
"dative",
"feminine",
"singular"
]
},
{
"form": "perfidō",
"source": "declension",
"tags": [
"dative",
"neuter",
"singular"
]
},
{
"form": "perfidīs",
"source": "declension",
"tags": [
"dative",
"feminine",
"masculine",
"neuter",
"plural"
]
},
{
"form": "perfidum",
"source": "declension",
"tags": [
"accusative",
"masculine",
"singular"
]
},
{
"form": "perfidam",
"source": "declension",
"tags": [
"accusative",
"feminine",
"singular"
]
},
{
"form": "perfidum",
"source": "declension",
"tags": [
"accusative",
"neuter",
"singular"
]
},
{
"form": "perfidōs",
"source": "declension",
"tags": [
"accusative",
"masculine",
"plural"
]
},
{
"form": "perfidās",
"source": "declension",
"tags": [
"accusative",
"feminine",
"plural"
]
},
{
"form": "perfida",
"source": "declension",
"tags": [
"accusative",
"neuter",
"plural"
]
},
{
"form": "perfidō",
"source": "declension",
"tags": [
"ablative",
"masculine",
"singular"
]
},
{
"form": "perfidā",
"source": "declension",
"tags": [
"ablative",
"feminine",
"singular"
]
},
{
"form": "perfidō",
"source": "declension",
"tags": [
"ablative",
"neuter",
"singular"
]
},
{
"form": "perfidīs",
"source": "declension",
"tags": [
"ablative",
"feminine",
"masculine",
"neuter",
"plural"
]
},
{
"form": "perfide",
"source": "declension",
"tags": [
"masculine",
"singular",
"vocative"
]
},
{
"form": "perfida",
"source": "declension",
"tags": [
"feminine",
"singular",
"vocative"
]
},
{
"form": "perfidum",
"source": "declension",
"tags": [
"neuter",
"singular",
"vocative"
]
},
{
"form": "perfidī",
"source": "declension",
"tags": [
"masculine",
"plural",
"vocative"
]
},
{
"form": "perfidae",
"source": "declension",
"tags": [
"feminine",
"plural",
"vocative"
]
},
{
"form": "perfida",
"source": "declension",
"tags": [
"neuter",
"plural",
"vocative"
]
}
],
"head_templates": [
{
"args": {
"1": "perfidus"
},
"expansion": "perfidus (feminine perfida, neuter perfidum); first/second-declension adjective",
"name": "la-adj"
}
],
"inflection_templates": [
{
"args": {
"1": "perfidus"
},
"name": "la-adecl"
}
],
"lang": "Latin",
"lang_code": "la",
"pos": "adj",
"related": [
{
"word": "perfidiōsē"
},
{
"word": "perfidiōsus"
}
],
"senses": [
{
"categories": [
"Latin terms with quotations"
],
"examples": [
{
"ref": "29 BCE – 19 BCE, Virgil, Aeneid 4.305–306",
"text": "“Dissimulāre etiam spērāstī, perfide, tantum\nposse nefās, tacitusque meā dēcēdere terrā?”\n“Had you even hoped to be able to hide so great a crime – you faithless [man]! – and to slip away from my land unnoticed?”"
}
],
"glosses": [
"that breaks one's promise; false; faithless; dishonest; disloyal; deceitful"
],
"links": [
[
"break",
"break"
],
[
"promise",
"promise"
],
[
"false",
"false"
],
[
"faithless",
"faithless"
],
[
"dishonest",
"dishonest"
],
[
"disloyal",
"disloyal"
],
[
"deceitful",
"deceitful"
]
],
"tags": [
"adjective",
"declension-1",
"declension-2"
]
},
{
"glosses": [
"treacherous; unsafe; dangerous"
],
"links": [
[
"treacherous",
"treacherous"
],
[
"unsafe",
"unsafe"
],
[
"dangerous",
"dangerous"
]
],
"raw_glosses": [
"(by extension) treacherous; unsafe; dangerous"
],
"synonyms": [
{
"word": "īnfīdus"
}
],
"tags": [
"adjective",
"broadly",
"declension-1",
"declension-2"
]
}
],
"sounds": [
{
"ipa": "[ˈpɛr.fɪ.dʊs]",
"tags": [
"Classical-Latin"
]
},
{
"ipa": "[ˈpɛr.fi.d̪us]",
"note": "modern Italianate Ecclesiastical"
}
],
"word": "perfidus"
}
Download raw JSONL data for perfidus meaning in All languages combined (6.4kB)
This page is a part of the kaikki.org machine-readable All languages combined dictionary. This dictionary is based on structured data extracted on 2025-06-24 from the enwiktionary dump dated 2025-06-20 using wiktextract (074e7de and f1c2b61). The data shown on this site has been post-processed and various details (e.g., extra categories) removed, some information disambiguated, and additional data merged from other sources. See the raw data download page for the unprocessed wiktextract data.
If you use this data in academic research, please cite Tatu Ylonen: Wiktextract: Wiktionary as Machine-Readable Structured Data, Proceedings of the 13th Conference on Language Resources and Evaluation (LREC), pp. 1317-1325, Marseille, 20-25 June 2022. Linking to the relevant page(s) under https://kaikki.org would also be greatly appreciated.