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  • gi
    gi
    noun
    a lightweight, two-piece, usually white garment worn by barefooted martial-arts participants, consisting of loose-fitting pants and a wraparound jacket with cloth belt.
  • Gi
    Gi
    gilbert; gilberts.
  • GI
    GI
    noun
    a member or former member of the U.S. armed forces, especially an enlisted soldier.
  • gi.
    gi.
    abbreviation
    gill; gills.
  • G.I.
    G.I.
    abbreviation
    galvanized iron.
Synonyms

gi

1 American  
[gee] / gi /
Or gie

noun

  1. a lightweight, two-piece, usually white garment worn by barefooted martial-arts participants, consisting of loose-fitting pants and a wraparound jacket with cloth belt.


Gi 2 American  
  1. gilbert; gilberts.


GI 3 American  
[jee-ahy] / ˈdʒiˈaɪ /
Or G.I.

noun

  • GI's,
    plural
  • GIs
    plural
  1. a member or former member of the U.S. armed forces, especially an enlisted soldier.


adjective

  1. rigidly adhering to military regulations and practices; regimented; spit-and-polish.

    a platoon leader who tried to be more GI than anyone else.

  2. of a standardized style or type issued by the U.S. armed forces.

    GI shoes; GI blankets.

  3. conforming to the regulations or practices of the U.S. armed forces.

    Every recruit must get a GI haircut.

  4. of, relating to, or characteristic of a U.S. enlisted person.

    a typical peacetime GI complaint.

verb (used with object)

GI'd, GI'ing
  1. to clean in preparation for inspection.

    to GI the barracks.

verb (used without object)

GI'd, GI'ing
  1. to follow military regulations and customs closely; shape up.

    You'd better learn to GI if you want to be promoted.

gi. 4 American  

abbreviation

  1. gill; gills.


G.I. 5 American  
Also g.i.

abbreviation

  1. galvanized iron.

  2. gastrointestinal.

  3. general issue.

  4. government issue.


GI 1 British  

noun

  1. a soldier in the US Army, esp an enlisted man

"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

adjective

  1. conforming to US Army regulations; of standard government issue

"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
GI 2 British  

abbreviation

  1. gastrointestinal

  2. glycaemic index

"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

Gi 3 British  

abbreviation

  1. gilbert

"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

gi 4 British  
/ ɡiː /

noun

  1. a loose-fitting white suit worn in judo, karate, and other martial arts

    a karate gi

"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

gi 5 British  

abbreviation

  1. Gibraltar

"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

Other Word Forms

Noun Inflected Forms

Etymology

Origin of gi1

1970–75; shortening of Japanese jūdō-gi jujitsu garb, equivalent to jūdō judo + -gi, combining form of ki to wear

Origin of GI3

1915–20; originally 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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Photos from the event show Hardy donning a blue gi, wearing a blue belt, the second adult rank in jiu-jitsu, which often requires hundreds of hours of training to achieve.

From Los Angeles Times ● Sep. 20, 2022

Many followed his mother's request to attend the ceremony wearing a gi, the uniform worn in Jiu-Jitsu.

From BBC ● Aug. 9, 2022

Karate, another first on the Olympics calendar, felt ground-breaking for a similar reason, with men and women wearing the sport’s classic gi.

From Washington Post ● Aug. 6, 2021

The gardening gi has been an unexpected hit.

From New York Times ● Oct. 21, 2020

“Ugwuanyi,” she said, “you have to come home. Oga gi kwanu? Where is your master?”

From "Half of a Yellow Sun" by Chimamanda Ngozi Adichie

Meanwhile, 75% of the 1,881 UK jobseekers polled in July by recruiter Gi Group say they would not be put off applying to an organisation that had introduced AI proficiency into individual performance reviews.

From BBC ● Sep. 8, 2026

Dr. Becky, wearing the Gi sweatshirt again, instructs: “We have to understand before we intervene.”

From Slate ● May 10, 2026

Renowned illustrator Kim Jung Gi died Monday in Paris at age 47 after suffering a heart attack, the Daniel Maghen art gallery announced Wednesday.

From Los Angeles Times ● Oct. 5, 2022

Friends and family took to the Internet shorty after Kobe and Gi Gi passed to celebrate how much he loved his daughters, and fans soon followed with their own.

From Salon ● Jun. 20, 2021

Tsewenalding: K, M, Go, Gi   10 6 10     8.

From The Aboriginal Population of the North Coast of California by Sherburne Friend Cook

I also have 11 months and 20 days remaining under the Post-9/11 GI Bill.

From MarketWatch ● Sep. 8, 2026

Joseph attended Harvard University on the GI bill and completed majors in math and physics in just three years.

From Los Angeles Times ● Sep. 4, 2026

The researchers noted that "geographical regions influence the risk of GI cancers," suggesting that regional differences should be considered when making dietary recommendations.

From Science Daily ● Jul. 14, 2026

The GI Bill and the industrial boom drove the greatest project of mass education and mass consumption in world history.

From Salon ● Apr. 19, 2026

“They said ‘Hey, GI, how about some Cheu Hoi.

From "Fallen Angels" by Walter Dean Myers

“But I remember not even lasting long enough to get a gi. And I don’t think John and Hayden even made it that far.”

From Los Angeles Times ● Sep. 10, 2022

“Your life belongs to you and you alone, soso gi. You will go back on Saturday. Let me hurry up and make some abacha for you to take.”

From "Half of a Yellow Sun" by Chimamanda Ngozi Adichie

But from 1940 to 1960, a number of forces — a boom in home building following World War II, low-interest loans provided through the G.I.

From MarketWatch ● Sep. 8, 2026

He later enrolled in what’s now Cal State L.A. under the G.I.

From Los Angeles Times ● Mar. 24, 2026

Which is how Alcaraz turned up two weeks ago in New York City looking not like Carlos Alcaraz, or Johnny Unitas, but like Demi Moore in G.I.

From The Wall Street Journal ● Sep. 8, 2025

It's been stopped in its tracks by a type of vortex first described in the 1920s by a brilliant physicist, Sir G.I.

From BBC ● Aug. 3, 2024

“When you were little, you loved to play pretend. To be G.I. Joe or Barbie. This is the same thing. Playing pretend,” she says.

From "The Skin I'm In" by Sharon G. Flake

“It was lugged home in some GI’s duffel bag, without its case.”

From Slate ● Mar. 16, 2024

Anyway, after the bomb was dropped, the GI's who worked at the laboratory came up and shook my hand and said, “You were the person who stuck the hand of the great Enrico Fermi.”

From Scientific American ● Jul. 27, 2023

The aircraft chase the GI’s informal prayer as reliably as the violins tail the piano in Chanda Dancy’s treacly score.

From Washington Post ● Nov. 21, 2022

A GI’s fiancee resents his marriage of convenience to a buddy’s English girlfriend.

From Los Angeles Times ● Jan. 3, 2020

If the GI's step in, that will have to stop—which means we'll show a loss heavy enough to put us out.

From A Spaceship Named McGuire by Randall Garrett

In Robert Capa’s photograph of GIs on the USS Samuel Chase just before the D-Day landings, soldiers play craps with French banknotes.

From The Wall Street Journal ● Jul. 15, 2026

In theory, the law was “colorblind,” offering the same educational support to Black GIs as to white GIs.

From MarketWatch ● Jun. 18, 2026

"The soldiers who once called each other Redcoats and Yankees became the Tommies and the GIs who together saved the free world," he said.

From Barron's ● Apr. 28, 2026

As we know, many children of Vietnamese women and American GIs did not get evacuated, and they were not killed by the victors.

From Slate ● Apr. 30, 2025

The GIs I saw at Chu Lai looked sharp enough to be in a parade; these guys looked as if they had just come in from a hard day’s work, a damn hard day’s work.

From "Fallen Angels" by Walter Dean Myers

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