See 退化 in All languages combined, or Wiktionary
{
"antonyms": [
{
"word": "進化"
}
],
"categories": [
{
"kind": "other",
"name": "日本語",
"parents": [],
"source": "w"
},
{
"kind": "other",
"name": "日本語 名詞",
"parents": [],
"source": "w"
},
{
"kind": "other",
"name": "日本語 名詞 サ変動詞",
"parents": [],
"source": "w"
},
{
"kind": "other",
"name": "日本語 国際音声記号あり",
"parents": [],
"source": "w"
}
],
"forms": [
{
"form": "たいか"
}
],
"lang": "日本語",
"lang_code": "ja",
"pos": "noun",
"pos_title": "名詞",
"senses": [
{
"categories": [
{
"kind": "other",
"name": "日本語 生物学",
"parents": [],
"source": "w"
}
],
"glosses": [
"遺伝子の突然変異の累積などにより、形態や性質が消失する、進化または発生の現象。"
],
"id": "ja-退化-ja-noun-lASACs6n",
"topics": [
"biology"
]
},
{
"glosses": [
"劣化。悪化。改悪されること。"
],
"id": "ja-退化-ja-noun-o8XHHnn-",
"tags": [
"figuratively"
]
}
],
"sounds": [
{
"form": "たいか",
"raw_tags": [
"東京式"
],
"roman": "[táꜜìkà]",
"tags": [
"Atamadaka"
]
},
{
"ipa": "[ta̠ika̠]"
}
],
"translations": [
{
"lang": "英語",
"lang_code": "en",
"word": "devolution"
},
{
"lang": "英語",
"lang_code": "en",
"word": "degeneration"
}
],
"word": "退化"
}
{
"categories": [
{
"kind": "other",
"name": "日本語",
"parents": [],
"source": "w"
},
{
"kind": "other",
"name": "日本語 動詞",
"parents": [],
"source": "w"
},
{
"kind": "other",
"name": "日本語 動詞 サ変",
"parents": [],
"source": "w"
},
{
"kind": "other",
"name": "日本語 国際音声記号あり",
"parents": [],
"source": "w"
}
],
"forms": [
{
"form": "退化する",
"tags": [
"canonical"
]
},
{
"form": "たいかする"
},
{
"form": "退化",
"raw_tags": [
"サ行変格活用",
"語幹"
]
},
{
"form": "し",
"raw_tags": [
"サ行変格活用"
],
"tags": [
"imperfective"
]
},
{
"form": "せ",
"raw_tags": [
"サ行変格活用"
],
"tags": [
"imperfective"
]
},
{
"form": "さ",
"raw_tags": [
"サ行変格活用"
],
"tags": [
"imperfective"
]
},
{
"form": "し",
"raw_tags": [
"サ行変格活用"
],
"tags": [
"continuative"
]
},
{
"form": "する",
"raw_tags": [
"サ行変格活用"
],
"tags": [
"terminal"
]
},
{
"form": "する",
"raw_tags": [
"サ行変格活用"
],
"tags": [
"attributive"
]
},
{
"form": "すれ",
"raw_tags": [
"サ行変格活用"
],
"tags": [
"hypothetical"
]
},
{
"form": "しろ",
"raw_tags": [
"サ行変格活用"
],
"tags": [
"imperative"
]
},
{
"form": "せよ",
"raw_tags": [
"サ行変格活用"
],
"tags": [
"imperative"
]
},
{
"form": "退化しない",
"raw_tags": [
"各活用形の基礎的な結合例",
"語形"
],
"tags": [
"negative"
]
},
{
"form": "未然形 + ない",
"raw_tags": [
"各活用形の基礎的な結合例",
"結合"
],
"tags": [
"negative"
]
},
{
"form": "退化せず",
"raw_tags": [
"各活用形の基礎的な結合例",
"語形"
],
"tags": [
"negative",
"archaic"
]
},
{
"form": "未然形 + ず",
"raw_tags": [
"各活用形の基礎的な結合例",
"結合"
],
"tags": [
"negative",
"archaic"
]
},
{
"form": "退化される",
"raw_tags": [
"各活用形の基礎的な結合例",
"語形"
],
"tags": [
"active",
"passive",
"possibly",
"honorific"
]
},
{
"form": "未然形 + れる",
"raw_tags": [
"各活用形の基礎的な結合例",
"結合"
],
"tags": [
"active",
"passive",
"possibly",
"honorific"
]
},
{
"form": "退化します",
"raw_tags": [
"各活用形の基礎的な結合例",
"語形"
],
"tags": [
"polite"
]
},
{
"form": "連用形 + ます",
"raw_tags": [
"各活用形の基礎的な結合例",
"結合"
],
"tags": [
"polite"
]
},
{
"form": "退化した",
"raw_tags": [
"各活用形の基礎的な結合例",
"語形"
],
"tags": [
"past",
"completive"
]
},
{
"form": "連用形 + た",
"raw_tags": [
"各活用形の基礎的な結合例",
"結合"
],
"tags": [
"past",
"completive"
]
},
{
"form": "退化する",
"raw_tags": [
"各活用形の基礎的な結合例",
"語形"
],
"tags": [
"definitive"
]
},
{
"form": "終止形のみ",
"raw_tags": [
"各活用形の基礎的な結合例",
"結合"
],
"tags": [
"definitive"
]
},
{
"form": "退化すること",
"raw_tags": [
"各活用形の基礎的な結合例",
"語形"
],
"tags": [
"noun-from-verb"
]
},
{
"form": "連体形 + こと",
"raw_tags": [
"各活用形の基礎的な結合例",
"結合"
],
"tags": [
"noun-from-verb"
]
},
{
"form": "退化すれば",
"raw_tags": [
"各活用形の基礎的な結合例",
"語形",
"仮定条件"
]
},
{
"form": "仮定形 + ば",
"raw_tags": [
"各活用形の基礎的な結合例",
"結合",
"仮定条件"
]
},
{
"form": "退化しろ",
"raw_tags": [
"各活用形の基礎的な結合例",
"語形"
],
"tags": [
"imperative"
]
},
{
"form": "退化せよ",
"raw_tags": [
"各活用形の基礎的な結合例",
"語形"
],
"tags": [
"imperative"
]
},
{
"form": "命令形のみ",
"raw_tags": [
"各活用形の基礎的な結合例",
"結合"
],
"tags": [
"imperative"
]
}
],
"lang": "日本語",
"lang_code": "ja",
"pos": "verb",
"pos_title": "動詞",
"senses": [
{
"categories": [
{
"kind": "other",
"name": "日本語 生物学",
"parents": [],
"source": "w"
}
],
"examples": [
{
"bold_text_offsets": [
[
6,
9
]
],
"text": "ヒトの尻尾は退化している。"
}
],
"glosses": [
"遺伝子の突然変異が重なった結果、形態や性質が消失する。"
],
"id": "ja-退化-ja-verb-iuwKqTO9",
"topics": [
"biology"
]
},
{
"examples": [
{
"bold_text_offsets": [
[
4,
8
]
],
"text": "奴隷制に退化する"
}
],
"glosses": [
"劣化する。悪化する。改悪される。"
],
"id": "ja-退化-ja-verb--F56ECOB",
"tags": [
"figuratively"
]
}
],
"sounds": [
{
"form": "たいか",
"raw_tags": [
"東京式"
],
"roman": "[táꜜìkà]",
"tags": [
"Atamadaka"
]
},
{
"ipa": "[ta̠ika̠]"
}
],
"translations": [
{
"lang": "英語",
"lang_code": "en",
"word": "degenerate"
},
{
"lang": "英語",
"lang_code": "en",
"word": "retrogress"
}
],
"word": "退化"
}
{
"antonyms": [
{
"word": "進化"
}
],
"categories": [
"日本語",
"日本語 名詞",
"日本語 名詞 サ変動詞",
"日本語 国際音声記号あり"
],
"forms": [
{
"form": "たいか"
}
],
"lang": "日本語",
"lang_code": "ja",
"pos": "noun",
"pos_title": "名詞",
"senses": [
{
"categories": [
"日本語 生物学"
],
"glosses": [
"遺伝子の突然変異の累積などにより、形態や性質が消失する、進化または発生の現象。"
],
"topics": [
"biology"
]
},
{
"glosses": [
"劣化。悪化。改悪されること。"
],
"tags": [
"figuratively"
]
}
],
"sounds": [
{
"form": "たいか",
"raw_tags": [
"東京式"
],
"roman": "[táꜜìkà]",
"tags": [
"Atamadaka"
]
},
{
"ipa": "[ta̠ika̠]"
}
],
"translations": [
{
"lang": "英語",
"lang_code": "en",
"word": "devolution"
},
{
"lang": "英語",
"lang_code": "en",
"word": "degeneration"
}
],
"word": "退化"
}
{
"categories": [
"日本語",
"日本語 動詞",
"日本語 動詞 サ変",
"日本語 国際音声記号あり"
],
"forms": [
{
"form": "退化する",
"tags": [
"canonical"
]
},
{
"form": "たいかする"
},
{
"form": "退化",
"raw_tags": [
"サ行変格活用",
"語幹"
]
},
{
"form": "し",
"raw_tags": [
"サ行変格活用"
],
"tags": [
"imperfective"
]
},
{
"form": "せ",
"raw_tags": [
"サ行変格活用"
],
"tags": [
"imperfective"
]
},
{
"form": "さ",
"raw_tags": [
"サ行変格活用"
],
"tags": [
"imperfective"
]
},
{
"form": "し",
"raw_tags": [
"サ行変格活用"
],
"tags": [
"continuative"
]
},
{
"form": "する",
"raw_tags": [
"サ行変格活用"
],
"tags": [
"terminal"
]
},
{
"form": "する",
"raw_tags": [
"サ行変格活用"
],
"tags": [
"attributive"
]
},
{
"form": "すれ",
"raw_tags": [
"サ行変格活用"
],
"tags": [
"hypothetical"
]
},
{
"form": "しろ",
"raw_tags": [
"サ行変格活用"
],
"tags": [
"imperative"
]
},
{
"form": "せよ",
"raw_tags": [
"サ行変格活用"
],
"tags": [
"imperative"
]
},
{
"form": "退化しない",
"raw_tags": [
"各活用形の基礎的な結合例",
"語形"
],
"tags": [
"negative"
]
},
{
"form": "未然形 + ない",
"raw_tags": [
"各活用形の基礎的な結合例",
"結合"
],
"tags": [
"negative"
]
},
{
"form": "退化せず",
"raw_tags": [
"各活用形の基礎的な結合例",
"語形"
],
"tags": [
"negative",
"archaic"
]
},
{
"form": "未然形 + ず",
"raw_tags": [
"各活用形の基礎的な結合例",
"結合"
],
"tags": [
"negative",
"archaic"
]
},
{
"form": "退化される",
"raw_tags": [
"各活用形の基礎的な結合例",
"語形"
],
"tags": [
"active",
"passive",
"possibly",
"honorific"
]
},
{
"form": "未然形 + れる",
"raw_tags": [
"各活用形の基礎的な結合例",
"結合"
],
"tags": [
"active",
"passive",
"possibly",
"honorific"
]
},
{
"form": "退化します",
"raw_tags": [
"各活用形の基礎的な結合例",
"語形"
],
"tags": [
"polite"
]
},
{
"form": "連用形 + ます",
"raw_tags": [
"各活用形の基礎的な結合例",
"結合"
],
"tags": [
"polite"
]
},
{
"form": "退化した",
"raw_tags": [
"各活用形の基礎的な結合例",
"語形"
],
"tags": [
"past",
"completive"
]
},
{
"form": "連用形 + た",
"raw_tags": [
"各活用形の基礎的な結合例",
"結合"
],
"tags": [
"past",
"completive"
]
},
{
"form": "退化する",
"raw_tags": [
"各活用形の基礎的な結合例",
"語形"
],
"tags": [
"definitive"
]
},
{
"form": "終止形のみ",
"raw_tags": [
"各活用形の基礎的な結合例",
"結合"
],
"tags": [
"definitive"
]
},
{
"form": "退化すること",
"raw_tags": [
"各活用形の基礎的な結合例",
"語形"
],
"tags": [
"noun-from-verb"
]
},
{
"form": "連体形 + こと",
"raw_tags": [
"各活用形の基礎的な結合例",
"結合"
],
"tags": [
"noun-from-verb"
]
},
{
"form": "退化すれば",
"raw_tags": [
"各活用形の基礎的な結合例",
"語形",
"仮定条件"
]
},
{
"form": "仮定形 + ば",
"raw_tags": [
"各活用形の基礎的な結合例",
"結合",
"仮定条件"
]
},
{
"form": "退化しろ",
"raw_tags": [
"各活用形の基礎的な結合例",
"語形"
],
"tags": [
"imperative"
]
},
{
"form": "退化せよ",
"raw_tags": [
"各活用形の基礎的な結合例",
"語形"
],
"tags": [
"imperative"
]
},
{
"form": "命令形のみ",
"raw_tags": [
"各活用形の基礎的な結合例",
"結合"
],
"tags": [
"imperative"
]
}
],
"lang": "日本語",
"lang_code": "ja",
"pos": "verb",
"pos_title": "動詞",
"senses": [
{
"categories": [
"日本語 生物学"
],
"examples": [
{
"bold_text_offsets": [
[
6,
9
]
],
"text": "ヒトの尻尾は退化している。"
}
],
"glosses": [
"遺伝子の突然変異が重なった結果、形態や性質が消失する。"
],
"topics": [
"biology"
]
},
{
"examples": [
{
"bold_text_offsets": [
[
4,
8
]
],
"text": "奴隷制に退化する"
}
],
"glosses": [
"劣化する。悪化する。改悪される。"
],
"tags": [
"figuratively"
]
}
],
"sounds": [
{
"form": "たいか",
"raw_tags": [
"東京式"
],
"roman": "[táꜜìkà]",
"tags": [
"Atamadaka"
]
},
{
"ipa": "[ta̠ika̠]"
}
],
"translations": [
{
"lang": "英語",
"lang_code": "en",
"word": "degenerate"
},
{
"lang": "英語",
"lang_code": "en",
"word": "retrogress"
}
],
"word": "退化"
}
Download raw JSONL data for 退化 meaning in 日本語 (4.8kB)
This page is a part of the kaikki.org machine-readable 日本語 dictionary. This dictionary is based on structured data extracted on 2025-07-19 from the jawiktionary dump dated 2025-07-02 using wiktextract (45c4a21 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.