verb (used with object), lit·i·gat·ed, lit·i·gat·ing.
- to make the subject of a lawsuit; contest at law.
- Archaic. to dispute (a point, assertion, etc.).
verb (used without object), lit·i·gat·ed, lit·i·gat·ing.
- to carry on a lawsuit.
- to bring or contest (a claim, action, etc) in a lawsuit
- (intr) to engage in legal proceedings
1610s, from Middle French litigier and directly from Latin litigatus, past participle of litigare “to dispute, carry on a suit” (see litigation). Related: Litigated; litigating.