not important or serious; not worth considering. I know it sounds trivial , but I'm worried about it. I'll try to fix it—but it's not trivial (= it may be difficult to fix). Want to learn more? Definition of trivial adjective in Oxford Advanced Learner's Dictionary. The meaning of TRIVIAL is of little worth or importance. How to use trivial in a sentence. Did you know? Explore the complete meaning of " trivial " with expert definitions, real-world usage examples, synonyms, antonyms, and visual aids. Perfect for students, writers, and language learners. Something that is trivial is not important or significant , such as the trivial details you shared with me about your trip to the post office this morning. Trivial can also describe something that isn't deep or meaningful, like a trivial movie that you'll forget about after the credits roll.
