know-it-all
nounAU /ˈnəʉ.ɪt.oːl/
Etymology From know + it + all.
1
US, Derogatory Someone who claims to be knowledgeable or an expert in something, obnoxiously dismissing the opinions, advice, suggestions, etc. of others.
- We had it all figured out, but this know-it-all marched in with "the correct way of solving it", leaving our experiment in shambles.
- The same holds true for supporting details—they help you to learn more about a topic. Be a know it all by sharing these details and supporting details with friends.2004, Princeton Review, Know It All! Grades 9-12 Reading, The Princeton Review, →ISBN, page 22:
2 more examples
- She's a mean, bossy know-it-all.2005, Pansie Hart Flood, Tiger Turcotte Takes on the Know-it-all, Carolrhoda Books, →ISBN:
- Have you ever gone shopping with a Know-It-All girlfriend and she insists, without your consent or consulting you first, to choose your outfits for you?2012, Joe Ike, How do I relate with a “know-it-all”?, xBusinessServices Corp., page 60
- Synonyms
- Buddha, clever clogs, clever dick, know-all, know-it-all, smart aleck, smart ass, smarty, smarty pants, wiseacre, wiseass, wise-ass, wisenheimer
- Antonyms
- wise person
- Derived terms
- know-it-allery, know-it-allism
- Related terms
- ultracrepidarian, know-it-allery, malapert
- Hypernyms
- intelligent person, jerk