To select a channel, station, etc., as on television or radio. / (idiomatic) To pay attention.

Third-person singular simple present indicative form of tune in

present participle of tune in

simple past tense and past participle of tune in

The property of being tuneful.

plural of tuning

Having or producing a pleasing tune; melodic or melodious

present participle of tune

The calibration of a musical instrument to a standard pitch. / (engineering) The adjustment of a system or circuit to secure optimum performance.

(UK, slang) Used to show appreciation or approval of a song.