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/ˈnəʉ.ɪt.oːl/ · noun
(chiefly 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.
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?
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.
She's a mean, bossy know-it-all.
Use know-it-all when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Know-it-all means (chiefly US, derogatory) Someone who claims to be knowledgeable or an expert in something, obnoxiously dismissing the opinions, advice, suggestions, etc. of others..
Common synonyms include Buddha, clever clogs, clever dick, know-all.
Possible antonyms include wise person.
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.
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