異い口く同どう音おん

also: いこうどうおん

い

く

ど

う

お

ん

Common word

Meanings

noun, noun which may take the genitive case particle 'no'

with one voice; unanimously; in chorus

yojijukugo (four-character idiom)

Used when many people say the same thing at once or agree completely. Often appears adverbially as 異口同音に.

参さん加か者しゃたちは異い口く同どう音おんにその提てい案あんを支し持じした。
The participants unanimously supported the proposal.
彼かれらは異い口く同どう音おんに「素す晴ばらしい」と言いった。
They all said 'wonderful' in chorus.

See all 6 example sentences ›

Usage patterns

異い口く同どう音おんに言いうto say something in unison
生せい徒とたちは異い口く同どう音おんに「先せん生せい、ありがとう」と言いった。
The students said "Thank you, teacher" all together in one voice.
異い口く同どう音おんに答こたえるto answer in unison
記き者しゃたちの質しつ問もんに、二人ふたりは異い口く同どう音おんに「知しりません」と答こたえた。
The two of them answered "I don't know" in unison to the reporters' question.
異い口く同どう音おんに主しゅ張ちょうするto insist/claim with one voice
住じゅう民みんたちは異い口く同どう音おんに工こう事じの中ちゅう止しを主しゅ張ちょうした。
The residents unanimously insisted that the construction be stopped.

Kanji

異uncommon, different, queerness
口mouth
同same, agree, equal
音sound, noise

Related words

口くちを揃そろえる
口を揃える is a common, everyday phrase for people saying the same thing together, while 異口同音 is a formal yojijukugo used mainly in writing or speeches.
満まん場じょう一いっ致ち
満場一致 describes a unanimous vote or decision by everyone present, whereas 異口同音 describes many people saying the exact same words at the same time.
口くち々ぐちにN1
異口同音 is a formal four-character idiom stressing that everyone's opinion is the same, while 口々に focuses on the act of many individuals speaking, whether together or one after another.
同どう音おんN1
異口同音 is a fixed four-character idiom meaning many people say the same thing at once, whereas 同音 alone is a more general, less idiomatic way to describe speaking in unison.

Written forms

異口同音
- いくどうおん
  Standard kanji form; a yojijukugo meaning 'with one voice'.
- いこうどうおん
  Alternate reading; less common than いくどうおん.
いこうどうおん

Etymology

A yojijukugo derived from classical Chinese, literally 'different mouths, same sound'. The exact historical derivation is uncertain, but the phrase is conventionally associated with unanimous speech.