disprover
- n a debater who refutes or disproves by offering contrary evidence or argument
disputant
- n a person who disputes; who is good at or enjoys controversy
disputation
- n the formal presentation of a stated proposition and the opposition to it (usually followed by a vote)
- n a contentious speech act; a dispute where there is strong disagreement
dispute
- n a disagreement or argument about something important
he had a dispute with his wife - n coming into conflict with
- v take exception to
- v have a disagreement over something