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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

I’ll be a focused fiction writer and a focused Gi student.

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

As well as community service, the rapper has been ordered to stay away from the victims, identified as Jade and Baddie Gi, for three years.

From BBC Sep. 16, 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

Medilding: K, M, Go, Gi   28 23 28   10.

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

That helps isolate the specific impacts of the GI Bill, the landmark 1944 law that effectively provided free college to millions of returning U.S. servicemen.

From MarketWatch Jun. 18, 2026

“Athletes knew they needed to have carbohydrates, but there was also that risk of getting GI issues.”

From The Wall Street Journal Apr. 28, 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

We need validated instruments for diagnosing functional GI disorders in patients on these drugs, so that adverse events stop being absorbed into the noise of “expected side effects.”

From Slate Mar. 22, 2026

But he knew, as soon as he arrived, that he did not need the sugar to cancel out his GI crewcut and his American smile.

From "Farewell to Manzanar" by Jeanne Houston

“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

Nicolas Winding Refn directs this inscrutable yet mesmerizing thriller that follows the converging stories of an actress, an American G.I., and a mysterious murderer called the Leather Man.

From The Wall Street Journal Jul. 23, 2026

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

From Los Angeles Times Mar. 24, 2026

Universities were filled with veterans on the G.I.

From Salon Apr. 6, 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

“I am not suggesting for any moment that I know,” of the GI’s location, Gen. Harrison said Monday.

From Washington Times Jul. 24, 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

We're the only Army GI's in this outfit and this is pretty plush.

From Sonny by Raphael, Rick

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

From MarketWatch Jun. 18, 2026

The German bases were the largest peacetime foreign deployment of American troops abroad, said Thomas Maulucci, history professor at the University of Connecticut who co-edited a book about American GIs in Germany.

From The Wall Street Journal May 13, 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

None of the women went by “Tokyo Rose” — it was a composite, a nickname used by GIs who never knew how many there were.

From Los Angeles Times Nov. 21, 2025

They even had GIs tending to flowers around some of the barracks and some doing the same kinds of details they would have been doing back in Devens or any stateside base.

From "Fallen Angels" by Walter Dean Myers

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