<p><strong>Noun</strong></p><ul><li>A particular mode of being of a person or thing; existing state; situation with respect to circumstances.</li><li>State of health: He was reported to be in critical condition.</li><li>Fit or requisite state: to be out of condition; to be in no condition to run.</li><li>Social position: in a lowly condition.</li><li>A restricting, limiting, or modifying circumstance: It can happen only under certain conditions.</li><li>A circumstance indispensable to some result; prerequisite; that on which something else is contingent: conditions of acceptance.</li><li>Usually conditions.</li><li>Existing circumstances: poor living conditions.</li><li>Something demanded as an essential part of an agreement; provision; stipulation: He accepted on one condition.</li><li>Synonyms: proviso, requirement.</li><li>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.</li><li>The event upon which this stipulation depends.</li><li>Informal: An abnormal or diseased state of part of the body: heart condition; skin condition.</li><li>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.</li><li>The course or subject to which the requirement is attached.</li><li>Grammar: Protasis (def 1).</li><li>Logic: The antecedent of a conditional proposition.</li></ul><p><strong>Verb (used with object)</strong></p><ul><li>To put in a fit or proper state.</li><li>To accustom or inure: to condition oneself to the cold.</li><li>To air-condition.</li><li>To form or be a condition of; determine, limit, or restrict as a condition.</li><li>To subject to particular conditions or circumstances: Her studies conditioned her for her job.</li><li>U.S. Education: To impose a condition on (a student).</li><li>To test (a commodity) to ascertain its condition.</li><li>To make (something) a condition; stipulate.</li><li>Psychology: To establish a conditioned response in (a subject).</li><li>Textiles: To test (fibers or fabrics) for the presence of moisture or other foreign matter.</li><li>To replace moisture lost from (fibers or fabrics) in manipulation or manufacture.</li></ul><p><strong>Verb (used without object)</strong></p><ul><li>To make conditions.</li></ul>