Translation guide
How to express doing something together at the same time, often with coordinated action or speech.
To say or sing the same words at the same time as others.
Literally 'aligning voices', this is the most natural way to say people spoke or sang in unison.
Everyone sang the national anthem in unison.
The students said 'Good morning' in unison.
Similar to 声をそろえて, but emphasizes that everyone is saying the same thing, often used when people independently express the same opinion.
They all opposed the plan in unison.
A formal noun meaning singing in unison, often used in contexts like school songs or national anthems.
The whole school sang the school song in unison.
To perform a physical action at the exact same time as others.
Means 'all at once' or 'simultaneously'. Used for actions done by a group at the same time.
The athletes started in unison.
Literally 'matching breaths', used when people coordinate their timing closely, like in a team sport or performance.
The dancers moved in perfect unison.
Simply means 'at the same time'. Less nuanced than 一斉に, but can be used for any simultaneous action.
To express that multiple people share the same opinion or thought, often without prior coordination.
声をそろえて is used for planned simultaneous speech (like singing or chanting). 口をそろえて is used when people independently say the same thing, often to emphasize that everyone shares the same opinion.
sing the school song in unison
oppose in unison (everyone says they oppose)
The loanword ユニゾン exists but is mainly used in music (singing in unison) and is not common in everyday speech. Stick to the native phrases above.
The audience applauded in unison.
二人は同時に立ち上がった。
The two stood up in unison.
The participants expressed their agreement in unison.