from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Not meant or adapted for a given purpose; inappropriate: a solvent that is unfit for use on wood surfaces.
- adj. Below the required standard; unqualified: an unfit parent.
- adj. Not in good physical or mental health.
- adj. Biology Unable to survive or produce viable offspring in a particular environment.
- transitive v. To cause to be unsuited or unqualified: "Having run for president . . . often unfits a man for lesser or more useful subsequent work” ( Garry Wills).
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Not fit; not having the correct requirements.
- adj. Not fit, not having a good physical demeanor.
- v. To make unfit; to render unsuitable, spoil, disqualify.
from the GNU version of the Collaborative International Dictionary of English
- transitive v. To make unsuitable or incompetent; to deprive of the strength, skill, or proper qualities for anything; to disable; to incapacitate; to disqualify
- adj. Not fit; unsuitable.
from The Century Dictionary and Cyclopedia
- Not fit.
- Not suited or adapted; not fitted.
- Wanting suitable qualifications, physical or moral; not competent; unable: said of persons.
- Synonyms Inapt. See apt.
- Unqualified, unmeet, unworthy, incompetent, insufficient.
- To make unsuitable; deprive of the proper or necessary qualifications for some act, activity, use, or purpose.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. below the required standards for a purpose
- adj. not in good physical or mental condition; out of condition
- adj. physically unsound or diseased
- v. make unfit or unsuitable
From un- + fit. (Wiktionary)