One who seeks revenge in political or national terms, especially the recovery of lost territory or status, a partisan of "getting it back," with grievance made program. A revanchist is oriented toward the past as a debt to be collected.

Driven by or expressing such a desire for revanche.

From French revanche "revenge," from re- "again" + venger "to avenge." Prominent in European political discourse for movements that treated national loss as an injury requiring redress.