Topic - definition of topic by The Free Dictionary Define topic topic synonyms, topic pronunciation, topic translation, English dictionary definition of topic n 1 The subject of a speech, essay, thesis, or discourse 2 A subject of discussion or conversation 3 A subdivision of a theme, thesis, or outline
topic - WordReference. com Dictionary of English a subject of discussion: I've strayed off the topic the subject of a speech or piece of writing: Introduce your topic with a clear sentence and then give examples to support it
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