drone

Synonyms

bumble, burr, buzz, hum, whir (also whirr), whish, whiz (or whizz), zip, zoom;

Related Words

chirr, churr;

thrum;

fizz, hiss, murmur, purr, rustle, sigh, sizzle, swish, whisper;

coo, curr;

wheeze, whistle, whoosh;