11
buzzing(noun, verb, adjective, sound, low)
6
hum(noun, low, buzz)
6
busy(adjective, activity, movement, mark, lively)
6
droning(noun, verb, adjective, inactivity, buzzing)
5
thrumming(noun, verb, adjective, rumbling)
5
murmur(noun, sound, low, buzz)
4
active
4
bustling(adjective, lively)
4
croon
4
crooning
4
hearty
4
alive
4
booming
4
chanting(verb, adjective, rumbling)
4
grumbling(verb, adjective, rumbling)
4
throbbing(verb, adjective, rumbling)
4
whirring
3
buzz(noun, low)
3
drumming(verb, adjective, rumbling)
3
murmuring(noun, verb, adjective)
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APASmart Define. (2015). humming thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/humming/thesaurus/synonyms
ChicagoSmart Define. 2015. "humming thesaurus" https://smartdefine.org/humming/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, humming thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/humming/thesaurus/synonyms>.
MLASmart Define. "humming thesaurus" 13 April 2015. Web. 22 September 2026. <https://smartdefine.org/humming/thesaurus/synonyms>