応答|おうとうoutou[0]heiban (flat)

1. noun, suru verb, transitive verb, intransitive verbreply; answer; response
   こちらアヤ、こちらアヤ、応答おうとうお願ねがいします。↗

   This is Aya, this is Aya. Please respond.

• Synonym返事へんじNeutralEveryday word for responding to a greeting, question or letter; the most common choice. 「応答」 is more formal and covers communications, machines and biological reactions.
• Synonym回答かいとうNeutralAn answer to a question or the answer itself, in speech or writing, e.g. 「アンケートの回答」; 「応答」 focuses on responding to a call or inquiry.
• Synonym返答へんとうNeutralA reply, e.g. 「返答に困る」; usually a verbal answer. 「応答」 also covers communications and machines.
• SynonymリプライCasualColloquial loanword for a reply, mostly on social media and in comments; 「応答」 has wider uses, including communication responses.
• SynonymレスCasualColloquial net slang for a reply to a post, e.g. 「即レス」; 「応答」 is more formal.
• Synonym応酬おうしゅうWrittenWritten word for a back-and-forth exchange of retorts, e.g. 「野次の応酬」; 「応答」 is a plain answer.
• Synonym答えこたえWrittenSame word as above, read 「いらえ」; a rare, old-fashioned term for a verbal response. 「応答」 is the modern, standard term.
• Synonym答えるこたえるNeutralVerb meaning to answer or reply; the most common in everyday use. 「応答」 is a noun.
• Synonym答弁とうべんFormalFormal answers in parliament and similar settings, e.g. 「国会答弁」; 「応答」 is more general.
• Synonym応ずるおうずるWrittenWritten verb meaning to respond to or meet a demand; 「応答」 is a noun.
• SynonymアンサーCasualColloquial loanword for the answer or solution to a question; 「応答」 refers to the act of responding itself.
• Related受け答えうけこたえNeutralQuestion-and-answer exchanges in conversation, e.g. 「受け答えがしっかり」; 「応答」 focuses on the response itself.
• Related反応はんのうNeutralThe broadest term for reactions to stimuli or events, e.g. 「化学反応」; 「応答」 mainly means answering a call or question, though in biology it also covers stimulus responses.
• Related応じるおうじるNeutralVerb meaning to respond, agree or accept, e.g. 「要求に応じる」; 「応答」 is a noun.
• Related返信へんしんNeutralReplying to letters or messages, e.g. 「返信メール」; limited to correspondence. 「応答」 is not restricted to any medium.
• Related返書へんしょFormalFormal word for a reply letter; restricted to written correspondence. 「応答」 covers responses in general, not just writing.
• RelatedレスCasualColloquial net slang for a reply to a post, e.g. 「即レス」; 「応答」 is more formal.
• Related応えいらえWrittenWritten, archaic word read 「いらえ」 for a verbal response; rare. 「応答」 is more common.
• RelatedレスポンスCasualColloquial loanword for a reaction or response speed, e.g. 「レスポンスが速い」; 「応答」 centers on answering.
• Related復答ふくとうFormalFormal word for answering a question; rare. 「応答」 is more common.
• Antonym無視むしNeutralIgnoring or disregarding someone; the opposite of 「応答」 in responding versus not responding.
• Antonym沈黙ちんもくNeutralStaying silent; the opposite of 「応答」 in answering versus not answering.

Use 「応答」 for responses to calls or inquiries, as in 「応答がない」 and 「質疑応答」; it also covers communications, machines and biological reactions. In daily use 「返事」 is the default; answering a question is 「回答」, replying to mail is 「返信」, parliamentary answers are 「答弁」. 「反応」 is the broadest term for reactions to stimuli or events. The loanwords リプライ and レス fit social media, レスポンス stresses speed, and the verbs 答える, 応じる and 応ずる express the action. Formal choices include 返書 and 復答, while 応酬 describes an exchange of retorts.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. 質問しつもんや呼よびかけに対たいして答こたえること。返事へんじ。返答へんとう。回答かいとう。
2. （生物学せいぶつがくなど）刺激しげきに対たいする反応はんのう。
3. （工学こうがくなど）入力にゅうりょくに対たいする出力しゅつりょくの変化へんか。
4. （音楽おんがく）主題しゅだいの提示ていじに対たいする他ほかの声部せいぶからの主題しゅだいの模倣もほう。