unfit

[ uhn-fit ]
/ ʌnˈfɪt /

adjective

not fit; not adapted or suited; unsuitable: He was unfit for his office.
unqualified or incompetent.
not physically fit or in due condition.
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.

verb (used with object)

to render unfit or unsuitable; disqualify.

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disgruntle

Origin of unfit

First recorded in 1535–45; un-1 + fit1

OTHER WORDS FROM unfit

un·fit·ness, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for unfit

British Dictionary definitions for unfit

unfit
/ (ʌnˈfɪt) /

adjective

(postpositive often foll by for) unqualified, incapable, or incompetentunfit for military service
(postpositive often foll by for) unsuitable or inappropriatethe ground was unfit for football
in poor physical condition

Derived forms of unfit

unfitness, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012