| noun | a disagreement or argument about something important “he had a dispute with his wife” |
| noun | coming into conflict with |
| verb | take exception to “She challenged his claims” |
| verb | have a disagreement over something “We quarreled over the question as to who discovered America” |
| disputatious | adjective | inclined or showing an inclination to dispute or disagree, even to engage in law suits |
| dispute | verb | have a disagreement over something |
| differ | verb | be of different opinions |
| contravene | verb | go against, as of rules and laws |
| challengeable | adjective | capable of being challenged |
| challenge | noun | questioning a statement and demanding an explanation |
| dispute | noun | a disagreement or argument about something important |
| disputation | noun | a contentious speech act; a dispute where there is strong disagreement |
| quarrel | noun | an angry dispute |
| quarreller | noun | a disputant who quarrels |
| quarreler | noun | a disputant who quarrels |
| disputative | adjective | inclined or showing an inclination to dispute or disagree, even to engage in law suits |
| disputant | noun | a person who disputes; who is good at or enjoys controversy |
| scrap | noun | the act of fighting; any contest or struggle |
| scrapper | noun | someone who fights (or is fighting) |