Know-It-All

Synonyms of know-it-all

• smart aleck
• wise guy
• smarty pants

Antonyms of know-it-all

• ignorant
• uninformed
• clueless

Collocations of know-it-all

smart aleck

Frequency: 70 %

Don't be such a smart aleck and just listen to what I'm saying.

wise guy

Frequency: 60 %

He always has a sarcastic remark ready, he's such a wise guy.

smarty pants

Frequency: 45 %

Stop acting like a smarty pants and admit when you don't know something.

clever clogs

Frequency: 30 %

She's always correcting others, a real clever clogs.

Idiomatic Expressions for know-it-all

• Phrase: The office know-it-all
  Meaning: Refers to a person in a workplace who is seen as always having the answers and being unwilling to admit when they don't know something.
  Usage: Don't bother asking the office know-it-all for help; they'll just tell you what to do without considering your input.