<p><strong>Noun</strong></p><ul><li>Often strife. (used with a singular verb) vigorous or bitter conflict, discord, or antagonism: to be at strife.</li><li>Synonyms: opposition, contrariety, disagreement, difference</li><li>Antonyms: peace</li><li>a quarrel, struggle, or clash: armed strife.</li><li>Synonyms: conflict, fight</li><li>Antonyms: peace</li><li>competition or rivalry: the strife of the marketplace.</li><li>Archaic. strenuous effort.</li></ul>