a prefix meaning “out of,” “from,” and hence “utterly,” “thoroughly,” and sometimes meaning “not” or “without” or indicating a former title, status, etc.; freely used as an English formative: exstipulate; exterritorial; ex-president (former president); ex-member; ex-wife.
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Origin of ex-1
< Latin, combining form of ex, ē (preposition) out (of), from, beyond
Definition for ex- (2 of 3)
variant of exo-.
Definition for ex- (3 of 3)
a prefix identical in meaning with ex- 1, occurring before vowels in words of Greek origin: exarch; exegesis.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for ex- (1 of 2)
out of; outside of; fromexclosure; exurbia
Word Origin for ex-
from Latin, from ex (prep), identical in meaning and origin with Greek ex, ek; see ec-
British Dictionary definitions for ex- (2 of 2)
a variant of exo- exergonic
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
Medicine definitions for ex-
Outside; out of; away from:excementosis.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.