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Thai

American  
[tahy] / taɪ /

adjective

  1. Formerly Siamese.  of or relating to Thailand, its people, or their language.


noun

  • Thais,
    plural
  • Thai
    plural
  1. Also called Thailander.  a native or or inhabitant of Thailand, or a person of Thai descent.

  2. the language of Thailand, a member of the Tai group of languages.

Thai British  
/ taɪ /

adjective

  1. of, relating to, or characteristic of Thailand, its people, or their language

"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

noun

  1. a native or inhabitant of Thailand

  2. the language of Thailand, sometimes classified as belonging to the Sino-Tibetan family

"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 Thai

First recorded in 1800–10; from Thai; literally, “free,” a self-designation

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:

Last Thursday's arrest follows that of a 23-year-old Thai citizen in July, also caught at Johannesburg's OR Tambo International Airport, who was attempting to smuggle 418 parrot eggs.

From BBC Aug. 26, 2026

They also see brighter prospects for SATS’s food solutions business in 2H FY 2027 as its Thai central kitchen expands capacity.

From The Wall Street Journal Aug. 24, 2026

The scientists have proposed "Syrax mountain horned dragon" as its English common name, along with a Thai name that carries the same meaning.

From Science Daily Aug. 24, 2026

I’m like the Thai, who eat eight meals a day, snacking throughout the day.

From Los Angeles Times Aug. 21, 2026

When the food ration is reduced, we supplement it by buying food from the Thai market at the edge of the camp.

From "First They Killed My Father: A Daughter of Cambodia Remembers" by Loung Ung

Meanwhile, that first generation of Thais who had fewer babies is now getting old.

From The Wall Street Journal Jul. 26, 2026

One in six Thais is over the age of 65, the result of a baby bust that began in the 1970s.

From The Wall Street Journal Jul. 26, 2026

Experts said the case marks an unprecedented shift in Thailand -- which never had a #MeToo movement -- with Thais more openly discussing sexual harassment and abuse.

From Barron's May 25, 2026

Cambodia deported more than 600 Thais allegedly involved in online scams on Thursday, the information minister said, part of a crackdown against the multibillion-dollar illicit industry that has ballooned in the country in recent years.

From Barron's Apr. 30, 2026

The historical southward expansions of Burmese, Laotians, and Thais from South China completed the Sinification of tropical Southeast Asia.

From "Guns, Germs, and Steel: The Fates of Human Societies" by Jared M. Diamond

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