• synonyms


Digital Technology
See more synonyms for IM on Thesaurus.com
noun, plural IMs, IM's
  1. instant message.
  2. instant messaging.
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verb (used without object), IM'd or IMed, IM'ing or IMing.
  1. instant message.
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Word story


  1. Swimming. individual medley.
  2. Sports. intramural.
  3. Also I.M. Isle of Man.
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  1. a plural ending occurring in loanwords from Hebrew: cherubim.
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Origin of -im

From Hebrew


  1. contraction of I am.
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Usage note


  1. variant of in-2 before b, m, p: imbrute; immigrate; impassion.
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  1. variant of in-3 before b, m, p: imbalance; immoral; imperishable.
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  1. variant of in-1 before b, m, p: imbed; immure; impose.
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for im

Contemporary Examples

Historical Examples

  • I went an' done all I could t' cheer 'im up, an' that's all the thanks I git fer it.

  • Anybody would think to 'ear 'im there wasn't any other plyce in the world!

    The Foolish Lovers

    St. John G. Ervine

  • Only people 'ud call 'im Perce, of course, an' that would be 'orrible.

    The Foolish Lovers

    St. John G. Ervine

  • "You seemed pretty keen abaht seein' 'im," he remarked conclusively.

    The Black Bag

    Louis Joseph Vance

  • Softly, softly, said the Doctor; Im not so sure they have gone.

    The Field of Ice

    Jules Verne

British Dictionary definitions for im


the internet domain name for
  1. Isle of Man
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abbreviation for
  1. computing instant messaging
  2. Also: i.m. intramuscular
  3. chess International Master
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  1. a variant of in- 1, in- 2
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contraction of
  1. I am
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for im


variant of in- before -b-, -m-, -p-, in the sense of "not, opposite of" (immobile, impersonal) as well as "in, into" (implant, impoverish). See in-. In some English words it alternates with em- (1).

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Online Etymology Dictionary, © 2010 Douglas Harper

im in Medicine


  1. internal medicine
  2. intramuscular
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.