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Overconfidence

/ˌoʊ.vɚˈkɒn.fɪ.dəns/

Meaning & Definition

noun

Excessive confidence, especially in one's own abilities or judgment.

His overconfidence led him to underestimate the complexity of the project.

A state in which a person has an unjustifiably high level of confidence.

The athlete's overconfidence resulted in poor preparation for the championship.

Belief in oneself that exceeds practical limits or reasonable assessment.

Overconfidence can sometimes cause investors to overlook critical risks.

Etymology

The word 'overconfidence' is formed by combining 'over-' meaning excessively and 'confidence' which comes from Latin 'confidentia', meaning trust or belief.

Common Phrases and Expressions

Biting off more than you can chew

Taking on a task that is too big or difficult for one person.

Pride comes before a fall

A warning that overconfidence can lead to failure.

In over your head

Involved in a situation that is too difficult to manage due to overconfidence.

Related Words

confidence

A feeling or belief that one can rely on someone or something; firm trust.

self-esteem

Confidence in one's own worth or abilities.

Slang Meanings

Big-headed

Don't be so big-headed about your skills; humility goes a long way.

Full of oneself

He's been full of himself ever since he got that promotion.