Artaxerxes II ar·ta·xer·xesii uncommon noun 1. king of Persia who subdued numerous revolutions and made peace with Sparta (?-359 BC) SynonymsArtaxerxes IIArtaxerxes Related words Broader terms kingIrani WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.