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Definition of incompetency

incompetency

/ɪnˈkɑːm.pə.tən.si/
in · com · pe · ten · cy

Adverb:incompetently
•
Plural:incompetencies
•
Adjective:incompetent
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incompetency Lexical Profile

incompetency Game Scores & Validity

• noun

1

The inability to do something successfully; a lack of the necessary skill, knowledge, or ability to perform a task.

Example

"The audit revealed several glaring incompetencies in how the department managed its annual budget."


2

The legal status of lacking the mental capacity or statutory qualification required to manage one's own affairs, enter into contracts, or stand trial.

Example

"The defense attorney filed a motion to delay the proceedings on the grounds of the defendant's mental incompetency."

Synonyms
View all synonyms for incompetency
Antonyms
View all antonyms for incompetency

Word Nuance & Usage

While 'incompetence' is the preferred standard form in general everyday contexts, 'incompetency' is frequently retained in formal legal and psychiatric contexts (as in 'mental incompetency') or when used as a countable noun to denote specific instances of failure.

• Rhymes for incompetency

Word Origin & Etymology

Formed in the late 16th century from the adjective 'incompetent' and the noun suffix '-cy', ultimately deriving from Late Latin 'incompetentem' ('insufficient, unsuitable').

Cite this Entry


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