noun
hidden meaning; subtext; connotation
Refers to an implied or underlying message beneath the surface of words or actions. Often used in discussions of communication, literature, or media.
wasei-eigo (Japanese-coined English), from under message
彼の言葉にはアンダーメッセージが込められていた。
His words carried a hidden meaning.
この映画のアンダーメッセージは環境問題への警告だ。
The subtext of this movie is a warning about environmental issues.
Wasei-eigo (Japanese-coined English) from 'under' + 'message,' not a direct borrowing from English. The English equivalent would be 'subtext' or 'hidden meaning.'