Dictionary.com
Thesaurus.com

Thai

American  
[tahy] / taɪ /

adjective

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


noun

plural

Thais,

plural

Thai
  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

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.

The name combines "Naga," a legendary serpent from Thai and Southeast Asian mythology, with "Titan," referencing the giants of Greek mythology.

From Science Daily • May 15, 2026

The attack couldn’t have been pulled off by Mythos alone and leveraged the very human cybersecurity expertise of some of Calif’s hackers, said Thai Duong, the company’s chief executive.

From The Wall Street Journal • May 14, 2026

If it’s Football Night in America, my wife and daughter would order Japanese or Chinese or Thai.

From Los Angeles Times • May 8, 2026

He quit football quite young and he really enjoyed Muay Thai and boxing.

From BBC • May 2, 2026

After he’d been going to Krua Thai for about a year, Sonja gently asked if he’d pose for a photo with her.

From "Endgame" by Frank Brady

Vocabulary.com logo
by dictionary.com

Look it up. Learn it forever.

Remember "Thai" for good with VocabTrainer. Expand your vocabulary effortlessly with personalized learning tools that adapt to your goals.

Take me to Vocabulary.com