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

---

noun

1. a native or inhabitant of Thailand

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

Etymology

Origin of Thai

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

Example Sentences

Top holdings include Thai Foods Group, which distributes poultry and other food stuffs in Thailand, and Brazilian energy companies Petroreconcavo and Petrobras.

From Barron's • Apr. 12, 2026

Thai Prime Minister Anutin Charnvirakul this week sent a congratulatory message, according to Myanmar state media, saying that under Min Aung Hlaing's "able leadership" the nations' relations would "grow from strength to strength".

From Barron's • Apr. 10, 2026

Thai Randolph spent the best part of seven years building comedian Kevin Hart’s Hartbeat from an upstart production studio into a fully fledged media company.

From The Wall Street Journal • Apr. 9, 2026

DBS expects the seven Thai banks under its coverage to post an aggregate 1Q net profit of 52.0 billion baht, down 11% on year.

From The Wall Street Journal • Apr. 9, 2026

They're talking about ordering Thai food for dinner and making the appointment for the baby's next set of vaccinations.

From "The Sky at Our Feet" by Nadia Hashimi