I. a snort articulated as a syllabic m or n with a vȯiceless onset and ending in a nasal h or a glottal stop; often read as ˈhəm(p)f interjection
Etymology: imitative of a grunt
Date: 1803
— used to express doubt or contempt
II. ˈhəm(p)f verb
Date: 1814
intransitive verb
: to utter a humph
transitive verb
: to utter (as a remark) in a tone suggestive of a humph