Answer: tuneout

AnswerCrossword Clue
TUNEOUTStop paying attention to
TUNEOUTEliminate by dialing.
TUNEOUTAdjust a radio receiver.
TUNEOUTGive up on, as a TV program.
TUNEOUTStop listening
TUNEOUTIgnore one's surroundings