whir

a monotonous sound like that of an insect in motion a whir coming from the refrigerator Synonyms burr, buzz, chirr, churr, drone, purr, thrum, hum (also whirr), whiz (or whizz), zoomRelated Words babble, coo, gasp, gurgle, hiss, moan, murmur, rustle, sigh, suspiration, susurration, susurrus, whisper; whish, zing, zipNear Antonyms bawl, howl, roar, scream, screech, shriek, squall, squeal, yelp, yell

to fly, turn, or move rapidly with a fluttering or vibratory sound the hummingbird whirred as it hovered over a flower our tires whirred as we traveled over the rough road Synonyms bumble, burr, buzz, drone, hum, 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