overconfident

adjective

over·​con·​fi·​dent ˌō-vər-ˈkän-fə-dənt 

-ˌdent

: excessively or unjustifiably confident : having too much confidence (as in one's abilities or judgment)

an overconfident driver

wasn't overconfident about their chances of winning

… he often starts cold, missing a few shots, allowing his opponent to get on a roll, to get overconfident.

—Brett Forrest

overconfidently adverb

overconfidently predicted the team would win

Synonyms of overconfident

• reckless
• courageous
• brave
• daredevil
• adventurous
• foolhardy

Examples of overconfident in a Sentence

the overconfident quarterback made some careless decisions that cost him the game

Recent Examples on the Web

The former Danish goalkeeper may not be from around these parts, but that didn't stop him from dropping an eerily accurate comparison between two overconfident but long-suffering sports programs. —Austin Perry Outkick, FOXNews.com, 18 June 2026

Hall’s 2000 experience laid a caricature in the Australian sports psyche of American athletes as being loud, brash and overconfident. —Tom Bogert, New York Times, 16 June 2026

Men were overconfident about their ability to pick stocks and time trades. —Teresa Ghilarducci, Forbes.com, 14 June 2026

Vaccine discussions continue to be distorted by bad-faith actors and overconfident non-clinicians. —Adam Goodcoff, STAT, 13 May 2026

Word History

First Known Use

circa 1617, in the meaning defined above

Rhymes for overconfident

• confident