hum
(hŭm)
[Middle English hummen, of imitative origin.]
verb: hummed, hum·ming, hums.
intransitive verb
- To emit a continuous low droning sound like that of the speech sound (m) when prolonged.
- To emit the continuous droning sound of a bee on the wing; buzz.
- To give forth a low continuous drone blended of many sounds: The avenue hummed with traffic.
- To be in a state of busy activity.
- To produce a tune without opening the lips or forming words.
transitive verb
- To sing (a tune) without opening the lips or forming words.
- Baseball To throw or pitch (a ball) very fast.
noun
- The sound produced by humming.
- The act of humming.
interjection
- Used to indicate hesitation, surprise, or displeasure.
derivatives
- huḿma·ble
- adjective