Indicating thinking or pondering. / A demand for an answer to a question.

(intransitive) To make a thoughtful humming noise.

(computer science) Initialism of hidden Markov model.

Third-person singular simple present indicative form of hmm

plural of HMM

Alternative spelling of mhm

Elongated form of hmm.

simple past tense and past participle of hmm

present participle of hmm

(military, US) Abbreviation of high mobility multipurpose wheeled vehicle.