Hum Hum synonyms buzz hum and buzz drone hum and drone whir hum and whir purr hum and purr thrum hum and thrum croon hum and croon murmur hum and murmur sing hum and sing humming hum and humming throb hum and throb Full list of synonyms (764) Hum antonyms speak clearly hum and speak clearly want hum and want need hum and need lack hum and lack yell hum and yell yelp hum and yelp squeal hum and squeal squall hum and squall shriek hum and shriek screech hum and screech Full list of antonyms (15) Share this picture Share this image Share this picture Share this image