Longman Dictionary of Contemporary English - tune

~1 n 1 a series of musical notes that are played or sung one after the other to make a pattern of sound that is usually pleasant to listen to  (I recognize that tune but I can't remember the name of the song.) 2 in tune playing or singing the correct musical note  (Sadie can't sing in tune.) 3 out of tune playing or singing higher or lower than the correct musical note  (That old piano's completely out of tune.) 4 be in tune with/out of tune with to be able or unable to realize, understand, or agree with what someone else thinks or wants  (Many politicians are totally out of tune with the needs of ordinary people.) 5 to the tune of $1000/-2 million etc informal used to emphasize how large an amount or number is  (We're already in debt to the tune of -5000.)  (- see also call the tune call1 (25), change your tune change1 (13), dance to sb's tune dance2 (6)) ~2 v 1 to make a musical instrument play at the right pitch1 (3)  (Someone's coming tomorrow to tune the piano.) 2 to make an engine work as well as possible 3 to make a radio or television receive broadcasts from a particular place  (The radio was tuned to a classical station. | stay tuned to (sth) (=continue watching or listening to the same radio station or television programme))  (Stay tuned for the latest news from Washington.) 4 finely tuned sense/perception/balance etc a very careful and skilful way of judging something, understanding situations etc  (She had a finely tuned sense of right and wrong.) tune in phr v 1 to watch or listen to a broadcast on radio or television  (60 million people tuned in to watch the Royal Wedding. | tune sth in (to sth))  (Tune the radio in to KCRW.) 2 tuned in able to realize or understand what is happening or what other people are thinking  (She doesn't seem very tuned in to these new developments.) tune out phr v informal especially AmE to ignore or stop listening to someone  (She tuned out after I said no extra money was involved. | tune sb/sth out)  (I learned to tune out the background noise.) tune up phr v 1 when musicians tune up, they prepare their instruments to play at the same pitch1 (3) as each other 2 T tune something up) to make a musical instrument play at the right pitch1 (3)