Thesaurus
chiefly British
Synonyms of know-all
as in know-it-all
Synonyms & Near Synonyms for know-all
- smart aleck
- (also smart alec),
- smarty
- (or smartie),
- smarty-pants,
- wiseacre,
- wiseass,
- wise guy,
- wisenheimer
- (also weisenheimer)
Keep scrolling for more
Test Your Vocabulary
Who Knew?
-
- What is a ruelle?

Test your visual vocabulary with our 10-question challenge!
TAKE THE QUIZ
Anagram puzzles meet word search.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Words at Play
Ask the Editors
Share know-all
Time Traveler for know-all
The first known use of know-all was circa 1864
See more words from the same year