Thesaurus

know-all

noun
chiefly British

Synonyms of know-all

as in know-it-all

Synonyms & Near Synonyms for know-all

See the Dictionary Definition 

Learn More About know-all

Time Traveler for know-all

Time Traveler

The first known use of know-all was circa 1864

See more words from the same year

Thesaurus Entries Near know-all

knowable

know-all

know-alls

See More Nearby Entries 

Cite this Entry

“Know-all.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/know-all. Accessed 4 Jul. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

WORD OF THE DAY

Test Your Vocabulary

Which Word Does Not Belong?

  • one green toy robot amidst many red toy robots
  • Which of these words does not mean "nonsense"?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!