unfit

[ uhn-fit ]
See synonyms for: unfitunfitsunfittedunfitting on Thesaurus.com

adjective
  1. not fit; not adapted or suited; unsuitable: He was unfit for his office.

  2. unqualified or incompetent.

  1. not physically fit or in due condition.

  2. 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)
  1. to render unfit or unsuitable; disqualify.

Origin of unfit

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

Other words for unfit

Other words from unfit

  • un·fit·ness, noun

Words Nearby unfit

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use unfit in a sentence

British Dictionary definitions for unfit

unfit

/ (ʌnˈfɪt) /


adjective
  1. (postpositive often foll by for) unqualified, incapable, or incompetent: unfit for military service

  2. (postpositive often foll by for) unsuitable or inappropriate: the ground was unfit for football

  1. 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