Added 9 October 2026 thailand noun Categories: PlacesUncommon Words noun ! Definition from WordNet 3.1, Princeton University. More about thailand at Wordnik → Where our words come from → A country of southeastern Asia that extends southward along the Isthmus of Kra to the Malay Peninsula. Thailand is the official name of the former Siam Related Words: siamcambodiaburmavietnamnepalmoroccotajikistanmauritaniathaimalaysiatunisiamongolia Back to today's word