hummed; humming
Definition of hum
(Entry 1 of 2)
1a
: to utter a sound like that of the speech sound \m\ prolonged
humming along with the music
b
: to make the natural noise of an insect in motion or a similar sound : drone
listening to the bees hum in the garden
c
: to give forth a low continuous blend of sound
the sound of children's voices with which the house was always humming— J. M. Brinnin
2a
: to be busily active
the museum hummed with visitors
b
: to run smoothly
the business started to hum
1
: to sing with the lips closed and without uttering speech sounds distinctly
hum a tune
2
: to express by making a vocal sound with the lips pressed together : to affect by humming
hummed his displeasure
hum
Definition of hum (Entry 2 of 2)
chiefly British spelling of hem entry 3 , hem entry 4
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Merriam-Webster unabridged
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Time Traveler for hum
The first known use of hum was in the 14th century
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