To comment is to state your opinion or make a remark on something. Of course, it's good to know when to hold your tongue. Comment on the latest movie? No problem. Comment on the annoying airport security measures while having your baggage checked? Better not. COMMENT definition: 1. something that you say or write that expresses your opinion: 2. used to say that you do not…. Learn more. When you add a comment in Word using Contextual view, it appears in the Comments pane on the right margin near the insertion point in the text. In this view, all active comments are visible in context and resolved comments are hidden so you can focus on active comments. a criticism or interpretation, often by implication or suggestion: The play is a comment on modern society. a note in explanation, expansion, or criticism of a passage in a book, article, or the like; The meaning of COMMENT is commentary. How to use comment in a sentence. A comment is something that you say which expresses your opinion of something or which gives an explanation of it. He made his comments at a news conference in Amsterdam. I was wondering whether you had any comments about that? There's been no comment so far from police about the allegations. Definition of comment noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.