Added 9 October 2026 thai noun Categories: PeopleLanguageUncommon Words noun ! Definition from WordNet 3.1, Princeton University. More about thai at Wordnik → Where our words come from → A native or inhabitant of Thailand. A branch of the Tai languages. adjective Of or relating to or characteristic of Thailand or its people. Siamese kings Of or relating to the languages of the Thai people. Thai tones Of or relating to Thailand. the Thai border with Laos Related Words: siamesetailaokhmerkampucheanmyanmarbharatthailandbangkokbahtstate-owned Back to today's word