See underactivate on Wiktionary
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"expansion": "Etymology tree\nProto-Indo-European *h₁én\nProto-Indo-European *h₁entér\nProto-Indo-European *(H)n̥dʰí\nProto-Indo-European *-ér\nProto-Indo-European *(H)n̥dʰér\nProto-Germanic *under\nProto-West Germanic *undar\nOld English under-\nMiddle English under-\nEnglish under-\nProto-Indo-European *h₂eǵ-\nProto-Indo-European *-eti\nProto-Indo-European *h₂éǵeti\nProto-Italic *agō\nLatin agō\nProto-Indo-European *-wósder.\nLatin -īvus\n▲\nAncient Greek ἐνεργητῐκός (energētĭkós)sl.\nLatin āctīvusbor.\nOld French actifbor.\nMiddle English actyf\nEnglish active\nProto-Indo-European *-h₂\nProto-Indo-European *-éh₂\nProto-Indo-European *-tós\nProto-Indo-European *-eh₂tos\nProto-Italic *-ātos\nLatin -ātuslbor.\nEnglish -ate\nEnglish activate\nEnglish underactivate\nFrom under- + activate.",
"name": "etymon"
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"etymology_text": "Etymology tree\nProto-Indo-European *h₁én\nProto-Indo-European *h₁entér\nProto-Indo-European *(H)n̥dʰí\nProto-Indo-European *-ér\nProto-Indo-European *(H)n̥dʰér\nProto-Germanic *under\nProto-West Germanic *undar\nOld English under-\nMiddle English under-\nEnglish under-\nProto-Indo-European *h₂eǵ-\nProto-Indo-European *-eti\nProto-Indo-European *h₂éǵeti\nProto-Italic *agō\nLatin agō\nProto-Indo-European *-wósder.\nLatin -īvus\n▲\nAncient Greek ἐνεργητῐκός (energētĭkós)sl.\nLatin āctīvusbor.\nOld French actifbor.\nMiddle English actyf\nEnglish active\nProto-Indo-European *-h₂\nProto-Indo-European *-éh₂\nProto-Indo-European *-tós\nProto-Indo-European *-eh₂tos\nProto-Italic *-ātos\nLatin -ātuslbor.\nEnglish -ate\nEnglish activate\nEnglish underactivate\nFrom under- + activate.",
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{
"form": "underactivating",
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"lang_code": "en",
"pos": "verb",
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"ref": "2001 -, Que Ida, Annals of Dyslexia 2001, →ISBN, page 37:",
"text": "Wood and Flowers (1999) demonstrated with Positron Emission Tomography (PET) that the same brain regions that underactivate in dyslexia also underactivate in the inattentive subtype of attention deficit hyperactivity disorder.",
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"ref": "2014, Patrick R. Riccards, Phyllis Blaunstein, Reid Lyon, Why Kids Can't Read: Continuing to Challenge the Status Quo in Education, →ISBN:",
"text": "In contrast, struggling readers underactivate the reading systems in the back of the brain and overactivate the system in the front of the brain.",
"type": "quotation"
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{
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229,
242
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"ref": "2016, Roberto Cabeza, Lars Nyberg, Denise C. Park, Cognitive Neuroscience of Aging: Linking Cognitive and Cerebral Aging, →ISBN:",
"text": "An important discovery over the last ten years comes from studies that parametrically varied working memory load to establish that, compared to younger adults, older adults tend to overactivate PFC regions at lower loads, and to underactivate at higher loads, where performance also drops off.",
"type": "quotation"
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"To produce insufficient levels of activation."
],
"id": "en-underactivate-en-verb-Y3K6GdrV",
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},
{
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"English entries with etymology trees",
"English entries with incorrect language header",
"English hybridisms",
"English lemmas",
"English terms derived from the Proto-Indo-European root *h₂eǵ- (drive)",
"English terms derived from the Proto-Indo-European word *h₁entér",
"English terms derived from the Proto-Indo-European word *h₁én",
"English terms prefixed with under-",
"English terms with quotations",
"English verbs",
"Pages using etymon with no ID",
"Pages with 1 entry",
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"type": "quotation"
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"type": "quotation"
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229,
242
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"ref": "2016, Roberto Cabeza, Lars Nyberg, Denise C. Park, Cognitive Neuroscience of Aging: Linking Cognitive and Cerebral Aging, →ISBN:",
"text": "An important discovery over the last ten years comes from studies that parametrically varied working memory load to establish that, compared to younger adults, older adults tend to overactivate PFC regions at lower loads, and to underactivate at higher loads, where performance also drops off.",
"type": "quotation"
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],
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"To produce insufficient levels of activation."
],
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}
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"word": "underactivate"
}
Download raw JSONL data for underactivate meaning in All languages combined (4.8kB)
This page is a part of the kaikki.org machine-readable All languages combined dictionary. This dictionary is based on structured data extracted on 2026-04-26 from the enwiktionary dump dated 2026-04-01 using wiktextract (7de0cf9 and 9452535). 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.