warm up /ˌwɔː(ɹ)m ˈʌp/verb 10warm-up noun 3forms 4 verb10 •To become warmer.He came inside to warm up. •To heat or reheat (e.g. food).I couldn't be bothered to cook another meal so I just warmed up yesterday's leftovers. •To reach, or cause to reach, a normal operating temperature (of a car for example).These old valve radios take a few minutes to warm up. •To do gentle exercise, stretching etc., in order to prepare the body for more vigorous exercise.It is important to warm up properly before your gym session. •(figurative) To physically or mentally prepare oneself, something or someone for an activity. •(figurative) To prepare for an activity by carrying out a practice or preparation routine.The band were already on stage, warming up for the gig. •(figurative) Synonym of warm (to favor increasingly). •(figurative) To make (an audience) enthusiastic or animated before a show.Rich knew how to warm up the audience of The Price is Right. His good looks and charming personality made even that special. •Synonym of warm (“prepopulate a cache”). •(Internet) Synonym of warm (“send mail from a domain to improve reputation”). warm-up noun3 •The act of exercising or stretching in preparation for strenuous activity.If you don't do your warm-ups properly you have a greater chance of injury. •Any act of preparation for a performance.Drivers are allowed 5 minutes for warm-up before the race starts. •A period of time allocated for performing warm-ups.Keep a sharp eye on the referee during warm-up to check out his mood. formswarmed up · warming up · warms up · warm-ups