Definitions
1.interjectionIndicating thinking or pondering."Hmm... I just can't decide between the two."
2.interjectionA demand for an answer to a question."Just where were you until 2 a.m.? Hmm?"
3.nounA hummed tune, i.e. created orally with lips closed.
4.nounAn often indistinct sound resembling human humming."They could hear a hum coming from the kitchen, and found the dishwasher on."
5.nounBusy activity, like the buzz of a beehive.
6.nounUnpleasant odour.
7.nounAn imposition or hoax; humbug.
8.nounA kind of strong drink.
9.nounA phenomenon, or collection of phenomena, involving widespread reports of a persistent and invasive low-frequency humming, rumbling, or droning noise not audible to all people.
10.verbTo make a sound from the vocal chords without pronouncing any real words, with one's lips closed."We are humming happily along with the music."
11.verbTo express by humming."The team ominously hummed “We shall overcome” as they came back onto the field after the break."
12.verbTo drone like certain insects naturally do in motion, or sounding similarly
13.verbTo buzz, be busily active like a beehive"The streets were humming with activity."
14.verbTo produce low sounds which blend continuously
15.verbTo reek, smell bad."This room really hums — have you ever tried spring cleaning, mate?"
16.verbTo flatter by approving; to cajole; to deceive or impose upon; to humbug.
17.interjectionAn expression used to show contentment for something"Mmm, this is a tasty pie!"
18.interjectionAn expression used to show thought or reflection"Mmm, I see what you mean."
19.interjectionAn expression used to show being muffled or not able to speak clearly, as well as "mmph".
20.interjectionYes.
21.interjectionExpression of hesitation, uncertainty or space filler in conversation. See uh."Let’s see... um... how about this?"