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Definition of incompetent

incompetent

/ɪnˈkɑːm.pə.tənt/
in · com · pe · tent

Adverb:incompetently
•
Plural:incompetents
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incompetent Lexical Profile

incompetent Game Scores & Validity

• adjective

1

Lacking the necessary skill, knowledge, or ability to do something successfully.

Example

"The audit revealed that several managers were utterly incompetent at handling the department's finances."


2

Not legally qualified or mentally able to manage one's own affairs, stand trial, or perform a specific legal act.

Example

"The judge ruled that the defendant was mentally incompetent to stand trial."


3

Unable to function properly or close completely, especially regarding a bodily organ or cardiac valve.

Example

"The echocardiogram showed an incompetent mitral valve that allowed blood to leak backward."

Synonyms
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Antonyms
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• noun

1

A person who lacks the skill or ability to do a job or task properly.

Example

"He complained that the entire committee was run by well-meaning incompetents."

Synonyms
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Antonyms
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• Rhymes for incompetent

Word Origin & Etymology

Borrowed in the late 16th century from Middle French incompétent or Late Latin incompetentem, formed from the privative prefix in- ('not') and competentem ('fit, suitable'), from Latin competere ('to strive together, coincide').

Cite this Entry


Wordmom. (2026). Definition of Incompetent. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/incompetent
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