<p><strong>Noun</strong></p><ul><li>a nation engaged in active fighting with enemy forces</li><li>a person or group that fights</li></ul><p><strong>Synonyms</strong></p><ul><li>foe</li><li>enemy</li><li>contestant</li></ul><p><strong>Antonyms</strong></p><ul><li>friend</li><li>ally</li></ul><p><strong>Noun</strong></p><ul><li>the adversary of the hero or protagonist of a drama or other literary work</li><li>a hostile nation or state</li></ul><p><strong>Physiology</strong></p><ul><li>a muscle that acts in opposition to another</li></ul><p><strong>Dentistry</strong></p><ul><li>a tooth in one jaw that articulates during mastication or occlusion with a tooth in the opposing jaw</li></ul><p><strong>Pharmacology</strong></p><ul><li>a drug that counteracts the effects of another drug</li></ul><p><strong>Adjective</strong></p><ul><li>combating</li><li>fighting</li></ul><p><strong>Examples</strong></p><ul><li>the combatant armies</li></ul><p><strong>Synonyms</strong></p><ul><li>disposed to combat</li><li>combative</li></ul>