adj. & n.
adj. 1 existing, involving, or carried on between two or more nations. 2 agreed on or used by all or many nations (international date-line; international driving licence).
n. 1 a a contest, esp. in sport, between teams representing different countries. b a member of such a team. 2 a (International) any of four associations founded (1864-1936) to promote socialist or communist action. b a member of any of these. international law a body of rules established by custom or treaty and agreed as binding by nations in their relations with one another. international system of units a system of physical units based on the metre, kilogram, second, ampere, kelvin, candela, and mole, with prefixes to indicate multiplication or division by a power of ten. international unit a standard quantity of a vitamin etc. internationality n. internationally adv.