also: あいてがた
other party; opposing party; opponent
Refers to the other side in a negotiation, legal dispute, competition, or game. Formal and neutral.
The other party to the contract was a major corporation.
相手方の主張をよく聞いてください。
Please listen carefully to the opposing party's argument.
The lawyer negotiated with the other party.
We notified the other party of the contract cancellation.
In the trial, we confirmed the other party's argument.