When used as an adjective, Thai refers to anything that originates from Thailand. It may refer to more than one article:

• the Thai language, a Tai-Kadai language spoken mainly in and around Thailand
• the Thai people, the dominant ethnic group of Thailand
• the Thai alphabet
• Thai food, the cuisine of Thailand
• Thai is an abbreviation for Thai Airways International

Thai terms

Thailändisch | Tailandés | Thai | thai | ไทย | Thái