Know-it-all

//ˈnəʉ.ɪt.oːl//

Word Type

Noun

The word "know-it-all" can be used as a noun.

Word Relationships

Derived Terms

know-it-allery know-it-allism

Broader Terms (Hypernyms)

egoist egotist intelligent person jerk swellhead

Related Terms

know-it-allery malapert ultracrepidarian

More for "know-it-all"

Meaning Synonyms Word Forms Antonyms

Next best steps

Definition Synonyms Sentences Read the blog

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.