by LyricaLearn
Entry

  1. Adverb (fukushi), Adverb taking the 'to' particle, Suru verb

    stuffy; steamy; sultry

    Onomatopoeic or mimetic word

    その部屋は参加者の熱気でムンムンしていた。
    The air in that room was thick with the enthusiasm of the participants.

Also written ムンムン

Pitch on OJAD