um
Pronunciation:
interjection
Definitions
An expression used to show contentment for something
Example: Mmm, this is a tasty pie!
An expression used to show thought or reflection
Example: Mmm, I see what you mean.
An expression used to show being muffled or not able to speak clearly, as well as "mmph".
Yes.
verb
Definitions
To make the um sound to express uncertainty or hesitancy.
interjection
Definitions
Expression of hesitation, uncertainty or space filler in conversation. See uh.
Example: Let’s see... um... how about this?