know-all
/'nou'ɔ:l/
Definition
Noun: A person who behaves as if they know everything and is often annoyingly unwilling to accept advice or information from others; a person who is arrogantly omniscient.
Usage
The word "know-all" is a derogatory term used to describe someone whose behavior is perceived as arrogant and overconfident in their knowledge. It is typically used in informal contexts and carries a negative connotation, implying irritation or disapproval from the speaker.
Examples
- Nobody likes working with him because he's such a know-all.
- She didn't want to ask the question in the meeting, fearing she would sound like a know-all.
- Don't be such a know-all; sometimes it's good to listen to other people's ideas.
Advanced Usage
- "a right know-all": A more emphatic and colloquial form, intensifying the negative judgment.
- He corrected the teacher three times—he's a right know-all.
Variants and Related Words
- Know-it-all (noun): This is the most common and direct synonym, especially in American English. The meaning is identical.
- My brother is a real know-it-all when it comes to movies.
- Smart alec (noun, informal): Refers to a person who is annoyingly clever or sarcastic.
- Wise guy (noun, informal): Similar to "smart alec," often implying someone who makes cheeky or insolent remarks.
Synonyms
- Smart aleck
- Wiseacre
- Braggart (though this emphasizes boasting more than actual knowledge)
- Pedant (this emphasizes an excessive concern with minor details and rules)
Antonyms
- Modest person
- Novice
- Learner
Related Idioms
- To be a mine of information: This is a positive idiom for someone who knows a lot and is willing to share, unlike a "know-all."
- Ask Sarah about local history; she's a mine of information.
Noun
-
someone who thinks he knows everything and refuses to accept advice or information from others
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