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Definitions

American Heritage® Dictionary of the English Language, Fourth Edition

  1. interj. Used to express doubt or uncertainty or to fill a pause when hesitating in speaking.

Century Dictionary and Cyclopedia

  1. n. Same as om.
  2. n. A prefix of Anglo-Saxon and Scandinavian origin, meaning ‘around, about,’ cognate with ambi- and amphi-. It was formerly common, but is now wholly obsolete, except in a few Scotch words.

Wiktionary

  1. interj. Expression of confusion or space filler in conversation. See uh.
  2. v. To make the um sound to express confusion or hesitancy.
  3. n. A micrometer.

Examples

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Lists

These user-created lists contain the word ‘um’.

Comments

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  • yarb "Faith, sir, I've-"

    "Faith? What's that?"

    "Why, faith, sir, it's only a sort of exclamation-like--that's all, sir."

    "Um, um; go on."

    - Melville, Moby-Dick, ch. 127 Jul 30, 2008

‘um’ has been looked up 3245 times, added to 21 lists, commented on 1 time, and has a Scrabble score of 4.