Definition of Hmm

Interjection: hmm  hm

1. Gentle utterance used to call someone's attention
   - ahem, hem, h'm
    
2. Exclamation expressing doubt, deliberation, dissent, or hesitation
   - hum, ahem, h'm

See also:
hm
HMO

Anagrams containing the word hmm

hmm mhm mmh