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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:

Thai Prime Minister Anutin Charnvirakul reportedly owns some of his creations.

From BBC Sep. 11, 2026

In 2019, a Thai court dismissed the case against suspected wildlife trafficking kingpin Boonchai Bach.

From Barron's Sep. 10, 2026

In July, Mahan launched a weekly flight from Tehran to the Thai tourist resort of Phuket.

From The Wall Street Journal Sep. 8, 2026

"We seek help from the Thai government, but it's very difficult."

From Barron's Sep. 3, 2026

He raised the Thai noodles and fanned the smell upward —spicy peppers and cheesy goodness.

From "The Son of Neptune" by Rick Riordan

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

It’ll benefit indirectly from Thailand’s ‘Thais Help Thais Plus’ scheme in 2Q via factors including subsidy registration and higher data consumption, the analysts say.

From The Wall Street Journal Jul. 8, 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

What is remarkable about Royal Hill is not just its size, but the fact that almost nothing was known about it until the Thais took control of it.

From BBC Apr. 6, 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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