Humm
/hʌm/noun
An interjection expressing hesitation, doubt, thoughtfulness, or mild disapproval, usually a variant spelling of “hum.”
Did you know?“Humm” belongs to a class of expressive words whose origins are imitative or instinctive vocal sounds rather than traceable ancient roots, making its history unusually resistant to neat explanation.
Etymological Timeline
Early Modern English
English
hum
“An inarticulate sound made with closed lips, often expressing hesitation or thought”
17th Century
English
humm
“A variant spelling of “hum,” used as an interjection of doubt or deliberation”
18th Century
English
hum
“An expression of hesitation, skepticism, or mild surprise”
Modern English
English
humm
“A nonstandard or stylized spelling of “hum,” commonly used to dramatize hesitation”