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

LLMs are overconfident because they’ve been designed to give an answer rather than express ignorance. —Bruce Schneier, IEEE Spectrum, 21 Jan. 2026

Hate on Rocky for being the kind of overconfident talker who never seems to know when to stop bragging. —Mosi Reeves, Rolling Stone, 19 Jan. 2026

The systems are slow, overconfident, and often confused. —Tharin Pillay, Time, 13 Jan. 2026

Interviews are not the place for inflated language or overconfident claims. —Gerald Bradshaw, Chicago Tribune, 12 Jan. 2026

Word History

First Known Use

circa 1617, in the meaning defined above

Rhymes for overconfident

• confident