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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:

A 50-year-old father and his two sons have been rescued after they were found adrift off the Thai island of Koh Samui, a local official told AFP on Saturday.

From BBC Aug. 15, 2026

If not tacos, I’ll maybe be craving some Thai food.

From Los Angeles Times Aug. 14, 2026

It counts many prominent Thai figures as its alumni, from diplomats and athletes to several prime ministers.

From BBC Aug. 7, 2026

He is scheduled to be welcomed by an honour guard at Bangkok's Government House and then meet one-on-one with Prime Minister Anutin Charnvirakul, a Thai official told AFP on condition of anonymity.

From Barron's Aug. 6, 2026

Percy uncovered the Thai noodles and unwrapped the cinnamon burrito.

From "The Son of Neptune" by Rick Riordan

The World Bank, meanwhile, forecasts that by the early 2040s, the number of Thais over 80 who need assistance will increase sixfold to around 2.5 million.

From The Wall Street Journal Jul. 26, 2026

A 2024 survey by Thailand’s statistics office found that 45% of Thais over 60 have no savings at all, while another 35% have less than $3,000.

From The Wall Street Journal Jul. 26, 2026

They often hold public processions and are widely seen receiving alms of goodwill from ordinary Thais.

From Barron's Jul. 3, 2026

As the dust from what has been a hard-fought election campaign in Thailand settles, many Thais may be rubbing their eyes and asking, "what just happened?"

From BBC Feb. 9, 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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