adj.

1. Not qualified in legal terms: a defendant who was incompetent to stand trial.
2. Inadequate for or unsuited to a particular purpose or application.
3. Devoid of those qualities requisite for effective conduct or action.

n.

An incompetent person.

incompetently in·com'pe·tent·ly adv.

Law: one not legally capable of completing a Contract; includes the mentally ill, Minors, and others considered incapable.

Personal: one poorly suited to perform the work required.

One not legally capable of completing a Contract. Includes the mentally ill, minors, and others considered incapable.
Example: Abel, a mentally retarded individual, inherited $100,000, and wants to buy a tract of land. He enters into a contract, but his legal guardian voids it because the land is worth under $5,000. It is voidable because Abel is incompetent.

adjective

1. Lacking capability: inadequate, incapable, unequal, unfit, unqualified. See ability/inability, excess/insufficiency/enough.
2. Totally incapable of doing a job: unable, unfit, unqualified. See ability/inability.
3. Lacking the qualities, as efficiency or skill, required to produce desired results: inapt, incapable, inefficient, inept, inexpert, unskilled, unskillful, unworkmanlike. See ability/inability.

adj

Definition: unskillful, unable
Antonyms: able, adept, capable, competent, dexterous, effective, efficient, experienced, expert, proficient, skillful

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1. not able to function properly, e.g. incompetent cervix.
2. a veterinarian determined by the courts to be less competent than the community should reasonably expect.

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IN BRIEF: Not having or showing enough ability, knowledge, or skill.

Equal opportunity means everyone will have a fair chance at being incompetent. — Laurence Peter (1919-1990), Canadian-US. author & educator.

Common misspelling(s) of incompetent

• incompetant

Dansk (Danish)
adj. - uduelig, ukvalificeret, inkompetent, udygtig
n. - inkompetence, umulius

Nederlands (Dutch)
onbekwaam, incapabel, incompetent persoon

Français (French)
adj. - incompétent, pas autorisé, inapte, mauvais, (Jur) incompétent, récusé (un témoin), irrecevable (une preuve)
n. - incapable

Deutsch (German)
adj. - unzulänglich, inkompetent, unfähig
n. - unfähige Person

Ελληνική (Greek)
adj. - αναρμόδιος, ανίκανος, ανεπαρκής
n. - αναρμόδιος, ανίκανος

Italiano (Italian)
incompetente, incapace

Português (Portuguese)
adj., -
n. - incompetente (m) (f)

Русский (Russian)
некомпетентный, неправоспособный

Español (Spanish)
adj. - incompetente, incapaz, inepto
n. - incompetente, no autorizado, incapaz, inepto

Svenska (Swedish)
adj. - inkompetent, obehörig (jur.)
n. - inkompetent person

中文（简体） (Chinese (Simplified))
无能力的, 不适当的, 无力的, 无能力者

中文（繁體） (Chinese (Traditional))
adj. - 無能力的, 不適當的, 無力的
n. - 無能力者

한국어 (Korean)
adj. - 무능한, 쓸모없는, 부적당한
n. - 무능력자, 비적격자

日本語 (Japanese)
adj. - 役に立たない, 無能な, …するのが下手で, 無資格の
n. - 無能な人, 無資格者, 無能者, 無能力者

العربيه (Arabic)
‏(صفه) غير كفؤ, غير مؤهل (الاسم) شخص غير كفوء‏

עברית (Hebrew)
adj. - ‮לא מסוגל, לא מוכשר, אינו מורשה‬
n. - ‮אדם שאינו מוכשר או מסוגל‬

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