Also found in: Thesaurus.
Warlike or hostile in manner or temperament. See Synonyms at belligerent.
[Middle English, from Latin bellicōsus, from bellicus, of war, from bellum, war.]
bel′li·cos′i·ty (-kŏs′ĭ-tē), bel′li·cose′ness n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.