um
About Our Definitions: All forms of a word (noun, verb, etc.) are now displayed on one page.
About Our Definitions: All forms of a word (noun, verb, etc.) are now displayed on one page.um
interjection \a prolonged m sound, əm\Definition of UM
—used to indicate hesitation <well, um, I don't know>
See First Known Use of UM
1672
Seen & Heard 
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