Try Our Apps


The Best Internet Slang


[uhn-fit] /ʌnˈfɪt/
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.
Origin of unfit
First recorded in 1535-45; un-1 + fit1
Related forms
unfitness, noun
1. inappropriate, unapt. 2. incapable. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
Cite This Source
Examples from the Web for unfit
Contemporary Examples
Historical Examples
  • With such deep yearning in his soul, he was unfit for heaven.

    Other Tales and Sketches Nathaniel Hawthorne
  • The unfit brought in for strength are weakness and destruction.

    Weighed and Wanting George MacDonald
  • When I discovered that I was unfit to hold that trust any longer, I quit.

    K Mary Roberts Rinehart
  • This craft was unfit for her duty, but time pressed, and no better offered.

    Ned Myers James Fenimore Cooper
  • If there are yellow streaks in the lean of the bacon, it is rusty, and unfit to eat.

British Dictionary definitions for unfit


(postpositive) often foll by for. unqualified, incapable, or incompetent: unfit for military service
(postpositive) often foll by for. unsuitable or inappropriate: the ground was unfit for football
in poor physical condition
Derived Forms
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
Cite This Source
Word Origin and History for unfit

1540s, "not suitable" (in reference to things), from un- (1) "not" + past participle of fit (see fit (adj.)). Related: Unfitness. In reference to persons or human qualities, attested from 1550s. The verb meaning "to render unfit" is recorded from 1610s.

Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source

Word of the Day

Difficulty index for unfit

Many English speakers likely know this word

Word Value for unfit

Scrabble Words With Friends

Nearby words for unfit