verb (used without object), hummed, hum·ming.
verb (used with object), hummed, hum·ming.
Origin of hum
Related formsun·der·hum, noun
Examples from the Web for hum
There was no shelling this time, but there was the hum of watchful drones.
Achtung Baby's ironic astringency was a successful reaction to Rattle and Hum's gauzy sincerity.U2 Drops ‘Invisible’ to Remind You the Band Exists|Howard Wolfson|February 9, 2014|DAILY BEAST
Just smile, hum a tune, count backwards from a thousand repeatedly.Can Being With Your Family on Thanksgiving Actually Kill You?|Kent Sepkowitz|November 29, 2013|DAILY BEAST
DE, from the French, means "of" as in "from;" DO, like the deer, is the first tone you hum.National Scrabble Day: A Poem So You’ll Know All 101 Two-Letter Words|David Bukszpan|April 13, 2013|DAILY BEAST
From the site, one can hear the hum of traffic and see cars passing on the street.
Then he endeavoured to hum a tune; but his voice seemed to choke him.The Mysteries of London, v. 1/4|George W. M. Reynolds
The motor was started and the machinery began to hum and throb.Tom Swift and his Wireless Message|Victor Appleton
My mother was fond of 'Mary of Argyle'; used to sing it when I was a lad,—hum, ha!Hildegarde's Harvest|Laura E. Richards
And in case a hum was heard that sounded like a hive, a certain cry, twice repeated, was to summon all the others to the spot.The Boy Scouts on the Trail|Herbert Carter
The little party had found seats near the musicians, and from either side came a hum of voices.Mr. Incoul's Misadventure|Edgar Saltus