Breadcrumb Home > Thesaurus > S Synonyms of siam Find synonyms for: Noun 1. Thailand, Kingdom of Thailand, Siam usage: 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" WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of siam (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: pinguid Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language