Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • adjective Not meant or adapted for a given purpose; inappropriate.
  • adjective Below the required standard; unqualified.
  • adjective Not in good physical or mental health.
  • adjective Biology Unable to survive or produce viable offspring in a particular environment.
  • transitive verb To cause to be unsuited or unqualified.

from The Century Dictionary.

  • To make unsuitable; deprive of the proper or necessary qualifications for some act, activity, use, or purpose.
  • 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.

from the GNU version of the Collaborative International Dictionary of English.

  • adjective Not fit; unsuitable.
  • transitive verb To make unsuitable or incompetent; to deprive of the strength, skill, or proper qualities for anything; to disable; to incapacitate; to disqualify

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective Not fit; not having the correct requirements.
  • adjective Not fit, not having a good physical demeanor.
  • verb To make unfit; to render unsuitable, spoil, disqualify.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adjective below the required standards for a purpose
  • adjective not in good physical or mental condition; out of condition
  • adjective physically unsound or diseased
  • verb make unfit or unsuitable

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

From un- +‎ fit.

Examples

Comments

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