オフコースFreq.FrequencyTop 100,000Meanings1expressionof courseEnglish loanword used as an interjection or adverbial phrase, equivalent to 'of course' in English. Common in casual conversation.「手伝てつだってくれる?」「オフコース!」"Can you help me?" "Of course!"オフコース、君きみが正ただしいよ。Of course, you're right.