syn-


a prefix occurring in loanwords from Greek, having the same function as co- (synthesis; synoptic); used, with the meaning “with,” “together,” in the formation of compound words (synsepalous) or “synthetic” in such compounds (syngas).

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Also sy-, syl-, sym-, sys-.

Origin of syn-

<Greek, combining form representing sýn with, together with

Definition for syn- (2 of 2)

syn.

synonym.
synonymous.
synonymy.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for syn- (1 of 3)

syn
/ (saɪn, sɪn) /

adverb, preposition, conjunction

a variant of syne 1

British Dictionary definitions for syn- (2 of 3)

syn-

prefix

with or togethersynecology
fusionsyngamy

Word Origin for syn-

from Greek sun together, with

British Dictionary definitions for syn- (3 of 3)

syn.

abbreviation for

synonym(ous)
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

Medical definitions for syn-

syn-

pref.

Together; with:synclonus.
United:syncephaly.
Same; similar:synteny.
At the same time:synesthesia.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.