Also GI, g.i.
Definition for g.i. (2 of 3)
or G.I.'s, G.I.s.
[ jee-ahyz ]
/ ˈdʒiˈaɪz /
the GI's, Slang. diarrhea.
Origin of GI's
1960–65, Americanism; probably for GI shits; see GI, -s3
Definition for g.i. (3 of 3)
[ jee-ahy ]
/ ˈdʒiˈaɪ /
noun, plural GI's or GIs.
a member or former member of the U.S. armed forces, especially an enlisted soldier.
rigidly adhering to military regulations and practices; regimented; spit-and-polish: a platoon leader who tried to be more GI than anyone else.
of a standardized style or type issued by the U.S. armed forces: GI shoes; GI blankets.
conforming to the regulations or practices of the U.S. armed forces: Every recruit must get a GI haircut.
of, relating to, or characteristic of a U.S. enlisted person: a typical peacetime GI complaint.
verb (used with object), GI'd, GI'ing.
to clean in preparation for inspection: to GI the barracks.
verb (used without object), GI'd, GI'ing.
to follow military regulations and customs closely; shape up: You'd better learn to GI if you want to be promoted.
Origin of GI
1915–20; orig. abbreviation of galvanized iron, used in U.S. Army bookkeeping in entering articles (e.g., trash cans) made of it; later extended to all articles issued (as an assumed abbreviation of government issue) and finally to soldiers themselves
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for g.i. (1 of 5)
/ (ɡiː) /
a loose-fitting white suit worn in judo, karate, and other martial artsa karate gi
Word Origin for gi
from Japanese -gi costume, from ki to wear
British Dictionary definitions for g.i. (2 of 5)
the internet domain name for
British Dictionary definitions for g.i. (3 of 5)
/ electronics /
British Dictionary definitions for g.i. (4 of 5)
noun US informal
plural GIs or GI's a soldier in the US Army, esp an enlisted man
conforming to US Army regulations; of standard government issue
Word Origin for GI
C20: abbrev. of government issue
British Dictionary definitions for g.i. (5 of 5)
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 g.i.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.