Thailand
Americannoun
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Formerly Siam. a kingdom in SE Asia: official name of Siam 1939–45 and since 1949. 198,242 sq. mi. (513,445 sq. km). Bangkok.
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Also called Gulf of Siam. Gulf of. an arm of the South China Sea, S of Thailand.
noun
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Former name (until 1939 and 1945–49): Siam. a kingdom in SE Asia, on the Andaman Sea and the Gulf of Thailand: united as a kingdom in 1350 and became a major SE Asian power; consists chiefly of a central plain around the Chao Phraya river system, mountains rising over 2400 m (8000 ft) in the northwest, and rainforest the length of the S peninsula. Parts of the SW coast suffered badly in the Indian Ocean tsunami of December 2004. Official language: Thai. Official religion: (Hinayana) Buddhist. Currency: baht. Capital: Bangkok. Pop: 67 448 120 (2013 est). Area: 513 998 sq km (198 455 sq miles)
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Former name: Gulf of Siam. an arm of the South China Sea between the Malay Peninsula and Indochina
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Strongly supported the United States during the Vietnam War, Thailand was the site of American air bases until 1976, when relations with the United States deteriorated.
During the early 1990s, its economy became one of the strongest in Asia, but it experienced a sharp downturn in the mid-1990s.
Thailand was formerly called Siam.
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 Bank of Thailand is in the shrinking camp of central banks that has yet to tighten policy settings during a year where others—including the Federal Reserve—have raised rates to combat inflation.
From The Wall Street Journal ● Oct. 14, 2026
The energy crisis may not yet be manifesting as an inflationary threat in Thailand, but it is showing up in consumption numbers.
From The Wall Street Journal ● Oct. 14, 2026
Healey is expected to meet with other finance ministers at the IMF's annual meeting in Bangkok, Thailand, on Tuesday to discuss how the economic impact of the Middle East and European conflicts could be limited.
From BBC ● Oct. 13, 2026
The Queen was shown boarding a Gripen on 8 October at an airfield in Surat Thani province, southern Thailand, while King Maha Vajiralongkorn watched from the ground.
From BBC ● Oct. 9, 2026
Miao-Yao speakers live in dozens of small enclaves, all surrounded by speakers of other language families and scattered over an area of half a million square miles, extending from South China to Thailand.
From "Guns, Germs, and Steel: The Fates of Human Societies" by Jared M. Diamond
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