Condition  —n. 1 stipulation; thing upon the fulfilment of which something else depends. 2 a state of being or fitness of a person or thing. B ailment, abnormality (heart condition). 3 (in pl.) Circumstances, esp. Those affecting the functioning or existence of something (good working conditions). —v. 1 a bring into a good or desired state. B make fit (esp. Dogs or horses). 2 teach or accustom. 3 a impose conditions on. B be essential to.  in (or out of) condition in good (or bad) condition. On condition that with the stipulation that. [latin dico say]