Hum
Pronunciation: /ˈhʌm/
Hum (verb)
- to make a low, continuous sound with your lips closed.
- to be full of activity or excitement.
Examples
- She likes to hum while she works.
- He began to hum a familiar tune.
Common collocations: hum a tune, hum quietly, hum with activity, hum with excitement, constant hum
Hum (noun)
- a low, continuous sound made by something like a machine or a person.
Examples
- The hum of the refrigerator was constant.
- I could hear the hum of the air conditioner.