• synonyms


See more synonyms for SIG on Thesaurus.com
  1. special-interest group(def 2).
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  1. signal.
  2. signature.
  3. signor.Also Sig.
  4. signore; signori.Also Sig.
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  1. (in prescriptions) write; mark; label: indicating directions to be written on a package or label for the use of the patient.
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Origin of Sig.1

< Latin signā; See signa


  1. let it be written.
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Origin of Sig.2

From the Latin word signētur
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for sig

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British Dictionary definitions for sig


abbreviation for
  1. signature
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abbreviation for
  1. (in prescriptions) signā
  2. (in prescriptions) signature
  3. signor
  4. signore
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Word Origin

(sense 1) Latin: sign (senses 3 and 4) Italian: mister
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 sig


abbreviation of signature, 1866.

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Online Etymology Dictionary, © 2010 Douglas Harper

sig in Medicine


  1. signa (sign; label)
  2. signetur (let it be labeled; let it be signed)
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.