condition |kənˈdi sh ən|noun1 the state of something, esp. with regard to its appearance, quality, orworking order : the wiring is in good condition | [in sing. ] the bridge is in an extremely dangerous condition.• a person's or animal’s state of health or physical fitness : he is in fairly good condition considering what he has has been through | [in sing. ] she was in a serious condition.• an illness or other medical problem : a heart condition.• [in sing. ] a particular state of existence : a condition of misery.• archaic social position or rank : those of humbler condition.2 ( conditions) the circumstances affecting the way in which people live or work, esp. with regard to their safety or well-being : harsh working and living conditions.• the factors or prevailing situation influencing the performance or the outcome of a process : present market conditions.• the prevailing state of the weather, ground, sea, or atmosphere at a particular time, esp. as it affects a sporting event : the appalling conditions determined the style of play.3 a state of affairs that must exist or be brought about before something else is possible or permitted : for a member to borrow money, three conditions have to be met | all personnel should comply with this policy as a condition ofemployment | I'll accept your offer on one condition.verb [ trans. ]1 (often be conditioned) have a significant influence on or determine (the manner or outcome of something) : national choices are conditioned by the international political economy.• train or accustom (someone or something) to behave in a certain way or to accept certain circumstances : we have all been conditioned to the conventional format of TV | the child is conditioned to dislike food | [as n. ]( conditioning) the program examines aspects of social conditioning.2 bring (something) into the desired state for use : a product for conditioning leather.• [often as adj. ] ( conditioned) make (a person or animal) fit and healthy : he was six feet two of perfectly conditioned muscle and bone.• apply something to (the skin or hair) to give it a healthy or attractive look or feel : I condition my hair regularly.• [often as adj. ] ( conditioned) bring (beer or stout) to maturation after fermentation while the yeast is still present : cask-conditioned real ales.• [ intrans. ] (of a beer or stout) undergo such a process : brews that are allowed to condition in the bottle.3 set prior requirements on (something) before it can occur or be done :Congressmen have sought to limit and condition military and economic aid.PHRASESin (or out of) condition in a fit (or unfit) physical state.in no condition to do something certainly not fit or well enough to do something : you're in no condition to tackle the stairs.on condition that with the stipulation that : he proposed deep cuts in offensive forces, on condition that an agreement be reached.ORIGIN Middle English : from Old French condicion (noun),condicionner (verb), from Latin condicio(n-) ‘agreement,’ fromcondicere ‘agree upon,’ from con- ‘with’ + dicere ‘say.’