1. (n.) A person against whom a lawsuit is brought; -- opposed to plaintiff\.

2. (a.) Serving, or suitable, for defense; defensive.

3. (a.) Making defense.

4. (n.) One who defends; a defender.

accessory accused bitter-ender brawler correspondent diehard disputant dissentient dissident intransigent irreconcilable last-ditcher libelee litigant litigationist litigator naysayer negativist noncooperator objector obstructionist obstructive opposer oppositionist panel parties litigant party plaintiff prisoner protester quarreler resister respondent scrapper suitor suspect witness wrangler