- 1[intransitive, transitive] to sing a tune with your lips closed She was humming softly to herself. He began to hum along with the music. hum something What's that tune you're humming? Topic CollocationsMusiclistening listen to/enjoy/love/ (informal) be into music/classical music/jazz/pop/hip-hop, etc. listen to the radio/an MP3 player/a CD put on/play a CD/a song/some music turn down/up the music/radio/volume/bass go to a concert/festival/gig/performance/recital copy/burn/rip music/a CD/a DVD download music/an album/a song/a demo/a videoplaying play a musical instrument/the piano/percussion/a note/a riff/the melody/a concerto/a duet/by ear sing an anthem/a ballad/a solo/an aria/the blues/in a choir/soprano/alto/tenor/bass/out of tune hum a tune/a theme song/a lullaby accompany a singer/choir strum a chord/guitarperforming form/start/join/quit/leave a band (informal) get/put a band together give a performance/concert/recital do a concert/recital/gig play a concert/gig/festival/venue perform a concert/(live) in concert appear at a festival/live go on/embark on a (world) tourrecording write/compose music/a ballad/a melody/a tune/a song/a theme song/an opera/a symphony land/get/sign a record deal be signed to/be dropped by a record company record/release/put out an album/a single/a CD be on top of/top the charts get to/go straight to/go straight in at/enter the charts at number one
- 2[intransitive] to make a low continuous sound The computers were humming away. The overhead wires hummed with power.
- 3[intransitive] to be full of activity The streets were beginning to hum with life. The whole room was humming now. Things were beginning to hum.
NAmE//hʌm//Verb Forms present simple I / you / we / they hum
he / she / it hums
past simple hummed
-ing form humming