Jap /d͡ʒæp/noun 2adjective 1forms 2 noun2 •(offensive) A Japanese person. •(offensive, historical) An Imperial Japanese Army soldier.The Japs had been confident that this first and sudden land grab could be accomplished without their becoming involved in a major war, and they were right. — 1944 adjective1 •(offensive) Japanese; of or pertaining to Japan or its people. formsJaps · japs