Standard Lemma guide

overconfidence

noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • Canada, US: /oʊvɚˈkɑnfɪdənts/
  • Canada, US: /ovɚ-/
  • Canada, US: /-dɪnts/
  • US: Recorded audio is listed in the source snapshot.
  • CMU ARPABET: OW2 V ER0 K AA1 N F IH0 D AH0 N S Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

An excessive or unwarranted degree of confidence.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable, usually

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

total certainty or greater certainty than circumstances warrant

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: certitude, cocksureness

Antonyms: none provided

Broader terms: certainty

History

Etymology

Etymology tree Proto-Indo-European *úp Proto-Indo-European *-er Proto-Indo-European *upér Proto-Germanic *uber Old English ofer- Middle English over- English over- English confidence English overconfidence From over- + confidence.