To express by humming.
To produce low sounds which blend continuously
To reek, smell bad.
To make a sound from the vocal chords without pronouncing any real words, with one's lips closed.
To drone like certain insects naturally do in motion, or sounding similarly
To buzz, be busily active like a beehive
Unpleasant odour.
A 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.
Busy activity, like the buzz of a beehive.
A hummed tune, i.e. created orally with lips closed.
An often indistinct sound resembling human humming.
Synonym of um: a noise indicating doubt, uncertainty, &c.
Synonym of hmm: a noise indicating thought, consideration, &c.
To utter the interjection oh; to express surprise, etc.
A word to precede an added comment or afterthought.
A word to precede an offhand or annoyed remark.
Expression of surprise.
An invocation or address (similar to the vocative in languages with noun declension), often with a term of endearment.
Expression of wonder, amazement, or awe.
Expression of understanding, affirmation, recognition, or realization.
Expression of pain. See ouch.
Expression of mild scepticism.
A word to mark a spoken phrase as imaginary.
Exclamation for drama or emphasis (often poetic).
Space filler or extra syllable, especially in (popular) music.
the letter O, o (more commonly spelled o)
An utterance of oh; a spoken expression of surprise, acknowledgement, etc.
the digit 0 (especially in representations of speech)