~ 1
■ verb ( ~s , ~ming , ~med )
1》 make a low, steady continuous sound like that of a bee.
↘sing with closed lips.
2》 informal be in a state of great activity.
3》 Brit. informal smell unpleasant.
■ noun a low, steady continuous sound.
↘an unwanted low-frequency noise in an amplifier.
Phrases
~ and haw (or chiefly N. Amer. hem and haw ) Brit. be indecisive.
Derivatives
~mable adjective
~mer noun
Origin
ME: imitative.
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~ 2
(also hmm )
■ exclamation used to express hesitation or dissent.
Origin
C16: imitative; related to ~ 1 .