Pronunciation: (är"gyu-men'tu-tiv), [key]
1. fond of or given to argument and dispute; disputatious; contentious: The law students were an unusually argumentative group.
2. of or characterized by argument; controversial: an argumentative attitude toward political issues.
3. Law.arguing or containing arguments suggesting that a certain fact tends toward a certain conclusion.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.