Douglas Harper's Etymology Dictionary
inarticulate sound, attested from c.1600; uh-huh, spoken affirmative (often ironic or non-committal) is recorded from 1904; negative uh-uh is attested from 1924.
interj. 1 Expression of confusion or uncertainty. 2 Space filler or pause during conversation. n. An occurrence of the interjection "uh".
Uh or UH may refer to:
- A river in Ukraine and Slovakia, see: Uzh River (Uh is the Slovak name)
- A discourse particle indicating speech disfluency, also spelled er variously pronounced or