[ kuhn-dish-uhn ]
See synonyms for: conditionconditionedconditioningconditions on

  1. a particular mode of being of a person or thing; existing state; situation with respect to circumstances.

  2. state of health: He was reported to be in critical condition.

  1. fit or requisite state: to be out of condition;to be in no condition to run.

  2. social position: in a lowly condition.

  3. a restricting, limiting, or modifying circumstance: It can happen only under certain conditions.

  4. a circumstance indispensable to some result; prerequisite; that on which something else is contingent: conditions of acceptance.

  5. Usually conditions. existing circumstances: poor living conditions.

  6. something demanded as an essential part of an agreement; provision; stipulation: He accepted on one condition.

  7. Law.

    • a stipulation in an agreement or instrument transferring property that provides for a change consequent on the occurrence or nonoccurrence of a stated event.

    • the event upon which this stipulation depends.

  8. Informal. an abnormal or diseased state of part of the body: heart condition;skin condition.

  9. U.S. Education.

    • a requirement imposed on a college student who fails to reach the prescribed standard in a course at the end of the regular period of instruction, permitting credit to be established by later performance.

    • the course or subject to which the requirement is attached.

  10. Logic. the antecedent of a conditional proposition.

verb (used with object)
  1. to put in a fit or proper state.

  2. to accustom or inure: to condition oneself to the cold.

  1. to air-condition.

  2. to form or be a condition of; determine, limit, or restrict as a condition.

  3. to subject to particular conditions or circumstances: Her studies conditioned her for her job.

  4. U.S. Education. to impose a condition on (a student).

  5. to test (a commodity) to ascertain its condition.

  6. to make (something) a condition; stipulate.

  7. Psychology. to establish a conditioned response in (a subject).

  8. Textiles.

    • to test (fibers or fabrics) for the presence of moisture or other foreign matter.

    • to replace moisture lost from (fibers or fabrics) in manipulation or manufacture.

verb (used without object)
  1. to make conditions.

Idioms about condition

  1. on / upon condition that, with the promise or provision that; provided that; if: She accepted the position on condition that there would be opportunity for advancement.

Origin of condition

First recorded in 1275–1325; Middle English condicioun, from Old French, from Latin condiciōn-, stem of condiciō “agreement,” equivalent to con- con- + dic-, stem of dīcere “to say” + -iō -ion

synonym study For condition

1. See state.

Other words for condition

Other words from condition

  • con·di·tion·a·ble, adjective
  • un·con·di·tion, verb (used with object) Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use condition in a sentence

  • Where the outside conditions are not very favourable, practically all the British species may be grown with ease under glass.

    How to Know the Ferns | S. Leonard Bastin
  • Whatever the species, it is well to imitate the natural conditions as much as possible in the way of soil.

    How to Know the Ferns | S. Leonard Bastin
  • In such conditions many kinds which do not flourish very freely in the open garden, grow into handsome specimens.

    How to Know the Ferns | S. Leonard Bastin
  • Tom—I felt out of myself in a way—as though I'd escaped—into—into quite different conditions——'

    The Wave | Algernon Blackwood
  • Conditions in the new country had gone from bad to worse, and if the season should experience another drought, the worst was come.

    The Homesteader | Oscar Micheaux

British Dictionary definitions for condition


/ (kənˈdɪʃən) /

  1. a particular state of being or existence; situation with respect to circumstances: the human condition

  2. something that limits or restricts something else; a qualification: you may enter only under certain conditions

  1. (plural) external or existing circumstances: conditions were right for a takeover

  2. state of health or physical fitness, esp good health (esp in the phrases in condition, out of condition)

  3. an ailment or physical disability: a heart condition

  4. something indispensable to the existence of something else: your happiness is a condition of mine

  5. something required as part of an agreement or pact; terms: the conditions of the lease are set out

  6. law

    • a declaration or provision in a will, contract, etc, that makes some right or liability contingent upon the happening of some event

    • the event itself

  7. logic a statement whose truth is either required for the truth of a given statement (a necessary condition) or sufficient to guarantee the truth of the given statement (a sufficient condition): See sufficient (def. 2), necessary (def. 3e)

  8. maths logic a presupposition, esp a restriction on the domain of quantification, indispensable to the proof of a theorem and stated as part of it

  9. statistics short for experimental condition

  10. rank, status, or position in life

  11. on condition that or upon condition that (conjunction) provided that

verb(mainly tr)
  1. psychol

    • to alter the response of (a person or animal) to a particular stimulus or situation

    • to establish a conditioned response in (a person or animal)

  2. to put into a fit condition or state

  1. to improve the condition of (one's hair) by use of special cosmetics

  2. to accustom or inure

  3. to subject to a condition

  4. (intr) archaic to make conditions

Origin of condition

C14: from Latin conditiō, from condīcere to discuss, agree together, from con- together + dīcere to say

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

Other Idioms and Phrases with condition


see in condition; mint condition; on condition that; out of condition.

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.