unfit

American  

[uhn-fit] / ʌnˈfɪt /

adjective

1. not fit; not adapted or suited; unsuitable.

   He was unfit for his office.

   Synonyms:

   unapt, inappropriate

2. unqualified or incompetent.

   Synonyms:

   incapable

3. not physically fit or in due condition.

4. Biology. pertaining to an organism or population that is not adapted to prevailing conditions or is not producing offspring in sufficient numbers to maintain its contribution to the gene pool of the next generation.

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verb (used with object)

1. to render unfit or unsuitable; disqualify.

unfit British  

/ ʌnˈfɪt /

adjective

1. unqualified, incapable, or incompetent

   unfit for military service

2. unsuitable or inappropriate

   the ground was unfit for football

3. in poor physical condition

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Other Word Forms

• unfitness noun

Etymology

Origin of unfit

First recorded in 1535–45; un- ¹ + fit ¹

Example Sentences

Jeffries' lawyers argue that he is suffering with dementia and late onset of Alzheimer's disease and is unfit to face trial alongside his partner and their alleged middleman in October.

From BBC

They concurred that the quip about “G. I. Jane,” in reference to Ms. Pinkett-Smith’s very dignified and public experiences with alopecia, was triggering and unfit for the Oscars.

From Salon

He says an unfit schools curriculum, a mental health crisis and a changing labour market have created a "perfect storm".

From BBC

But this turned into nine months after propulsion problems emerged in orbit and the Starliner spacecraft was deemed unfit to fly them back.

From Barron's

Judges have rejected arguments that the 80-year-old, who was arrested in March last year and transferred to the Netherlands the same day, was unfit to stand trial.

From Barron's

Related Words

• ill-equipped
• impotent
• inadequate
• incapable
• ineligible
• unable
• unprepared
• unqualified
• useless