UM-HUM


Meaning of UM-HUM in English

a sound made with the organs of speech in position for m, a vȯiced beginning which usually has the heaviest stress, and a vȯiced ending separated by an h- like period of vȯicelessness interjection

Etymology: origin unknown

— used to express affirmation, agreement, comprehension, or interest

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.