- The definition of a hum is a low, steady sound.
- The quiet whirring of a fan in the background is an example of a hum.
- The small, steady noise your speakers make when your amp is acting up is an example of a hum.
- Hum is defined as to make a low, steady sound like a motor, to be busy, or to sing with closed lips.
- When a fan whirs quietly in the background, this is an example of when the fan hums.
- When a cafeteria has a low, steady sound of chatter, this is an example of when the cafeteria hums.
- When you make "hmmm.... hmmmm... hmmmm" sounds to the beat of a song, singing without opening your lips, this is an example of when you hum.
hum definition by Webster's New World
- to make a low, continuous, murmuring sound like that of a bee or a motor
- to sing with the lips closed, not producing words
- to give forth a confused, droning sound: a room humming with voices
- Informal to be busy or full of activity
Origin: Middle English hummen, of echoic origin, originally , as in German hummel, bumblebee, Middle Dutch hommeln, hum
- to sing (a tune, etc.) with the lips closed
- to produce an effect on by humming: to hum a child to sleep
- the act of humming
- a continuous, murmuring sound
- hummer noun
hum definition by American Heritage Dictionary
verb hummed hummed, hum·ming, hums verb, intransitive
- a. To emit a continuous low droning sound like that of the speech sound (m) when prolonged.b. To emit the continuous droning sound of a bee on the wing; buzz.c. 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.
- To sing (a tune) without opening the lips or forming words.
- Baseball To throw or pitch (a ball) very fast.
- The sound produced by humming.
- The act of humming.
Origin: Middle English hummen, of imitative origin.
- humˈma·ble adjective
hum - Medical Definition