合言葉 (あいことば) Japanese meaning | KotomoraTonight's password is 'The moon is beautiful.'
Usage patterns
〈人〉と合言葉を決めるto decide on a password with someone
We decided on a password with friends and entered the secret hideout.
〈事〉を合言葉にするto adopt something as one's motto or rallying phrase
We're carrying out the construction with 'safety first' as our motto.
合言葉を使うto use a password (to identify a friend or ally)
The soldiers used a password to confirm who their allies were.
〈事〉を合言葉に〈動詞〉to do something under the banner of a shared slogan
They keep up their activities under the banner of 'environmental protection'.