1. um - Noun
2. um - Verb
3. um - Preposition
4. um - Interjection
5. um - Particle
6. Um - Proper noun
Expression of hesitation, uncertainty or space filler in conversation.
Synonyms: er, hmm, uh
Um, I don’t know.
Let’s see... um... how about this?
(chiefly US) Dated spelling of mmm.
(UK, childish) An expression of shocked disapproval used by a child who witnesses forbidden behavior.
um (third-person singular simple present ums, present participle umming, simple past and past participle ummed)
(intransitive) To make the um sound to express uncertainty or hesitancy.
um
Alternative form of umbe
um
(dated, sometimes humorous, often offensive) An undifferentiated determiner or article; a miscellaneous linking word, or filler with nonspecific meaning; representation of broken English stereotypically or comically attributed to Native Americans.
He um Growling Bear. He um heap big chief.
Initialism of University of Miami.
Initialism of University of Michigan.
UM (plural UMs)
(philately) Initialism of unmounted mint.