in·ter·na·tion·al / ˌintərˈnashənl/ • adj. existing, occurring, or carried on between two or more nations: international trade. ∎  agreed on by all or many nations: a violation of international law. ∎  used by people of many nations: large international hotels.• n. 1. Brit. a game or contest between teams representing different countries in a sport. ∎  a player who has taken part in such a game or contest.2. (International) any of four associations founded (1864–1936) to promote socialist or communist action. ∎  a member of any of these.DERIVATIVES: in·ter·na·tion·al·i·ty / -ˌnashəˈnalitē/ n.in·ter·na·tion·al·ly adv.

International2 International Brigade a group of volunteers (mainly from Europe and the US) which was raised internationally by foreign communist parties and which fought on the Republican side in the Spanish Civil War.
International Court of Justice a judicial court of the United Nations which replaced the Cour Permanente de Justice in 1945 and meets at The Hague.
International Phonetic Alphabet an internationally recognized set of phonetic symbols developed in the late 19th century, based on the principle of strict one-to-one correspondence between sounds and symbols.

international XVIII. f. INTER- + NATION + -AL1.