TRANQUIL Meaning of TRANQUIL in English transcription, транскрипция: [ ˈtræŋkwɪl ]adj. calm, serene, unruffled. øøtranquillity n. tranquilly adv. [F tranquille or L tranquillus] English main colloquial, spoken dictionary. Английский основной разговорный словарь. 2012