[noun] a disagreement or argument about something important; "he had a dispute with his wife"; "there were irreconcilable differences"; "the familiar conflict between Republicans and Democrats" Synonyms:difference, difference of opinion, conflict
[noun] coming into conflict with Synonyms:contravention
[verb] take exception to; "She challenged his claims" Synonyms:challenge, gainsay
[verb] have a disagreement over something; "We quarreled over the question as to who discovered America"; "These tewo fellows are always scrapping over something" Synonyms:quarrel, scrap, argufy, altercate