incompetent

adjective

in·​com·​pe·​tent (ˌ)in-ˈkäm-pə-tənt How to pronounce incompetent (audio)
1
a
: lacking the qualities needed for effective action
b
: unable to function properly
incompetent heart valves
2
: not legally qualified
3
: inadequate to or unsuitable for a particular purpose
incompetent noun
incompetently adverb

Examples of incompetent in a Sentence

He is too incompetent to be trusted with such an important responsibility. The patient is mentally incompetent. The defendant was declared incompetent to stand trial.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Anyone can file a petition in probate court in Florida seeking to declare an adult incompetent to handle their own affairs, though, typically, such petitions are submitted by family members worried their elderly relatives can no longer care for themselves. Carol Marbin Miller, Miami Herald, 26 Feb. 2025 But Marshall can’t do it alone and teams up with his former high school lab partner Frances Applewhite (voiced by Emily Pendergast), who works for a sinking pharmaceutical company as the assistant to incompetent CEO Rick Kruger (voiced by executive producer Mike Judge). Bill Desowitz, IndieWire, 3 Feb. 2025 But he was deemed incompetent to stand trial in the Pueblo murder case and has not been charged in DeLisa's case. Landon Mion, Fox News, 2 Feb. 2025 The man was in custody in connection with a different killing elsewhere in Colorado, and he’s been ruled incompetent for trial in that matter, prosecutors said. Sara Schilling, Sacramento Bee, 29 Jan. 2025 See All Example Sentences for incompetent

Word History

Etymology

Middle French incompétent, from in- + compétent competent

First Known Use

1595, in the meaning defined at sense 2

Time Traveler
The first known use of incompetent was in 1595

Browse Nearby Words

Cite this Entry

“Incompetent.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/incompetent. Accessed 10 Mar. 2025.

Kids Definition

incompetent

1 of 2 adjective
in·​com·​pe·​tent
(ˈ)in-ˈkäm-pət-ənt
1
: not legally qualified
2
: lacking qualities (as knowledge, skill, or ability) needed to do something well
an incompetent writer
incompetently adverb

incompetent

2 of 2 noun
: an incompetent person

Medical Definition

incompetent

adjective
in·​com·​pe·​tent (ˈ)in-ˈkäm-pət-ənt How to pronounce incompetent (audio)
1
: not legally qualified
especially : incapable due to a mental or physical condition
2
: unable to function properly
incompetent heart valves
incompetently adverb

Legal Definition

incompetent

1 of 2 adjective
in·​com·​pe·​tent in-ˈkäm-pə-tənt How to pronounce incompetent (audio)
1
: not legally qualified: as
a
: lacking legal capacity (as because of age or mental deficiency)
b
: incapable due to mental or physical condition compare competent
c
: lacking authority, power, or qualifications required by law
an incompetent court
incompetent evidence
2
: unable or failing to perform adequately
fired for being incompetent
an incompetent attorney
compare ineffective assistance of counsel

incompetent

2 of 2 noun
: a person who is incompetent compare interdict

More from Merriam-Webster on incompetent

Last Updated: - Updated example sentences
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