From WordNet (r) 3.0 (2006):
dispute
n 1: 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" [syn: dispute, difference, difference
of opinion, conflict]
2: coming into conflict with [syn: dispute, contravention]
v 1: take exception to; "She challenged his claims" [syn:
challenge, dispute, gainsay]
2: have a disagreement over something; "We quarreled over the
question as to who discovered America"; "These two fellows
are always scrapping over something" [syn: quarrel,
dispute, scrap, argufy, altercate]