litigate

[lit-i-geyt]
verb (used with object), lit·i·gat·ed, lit·i·gat·ing.
  1. to make the subject of a lawsuit; contest at law.
  2. Archaic. to dispute (a point, assertion, etc.).
verb (used without object), lit·i·gat·ed, lit·i·gat·ing.
  1. to carry on a lawsuit.

Origin of litigate

First recorded in 1605–15, litigate is from the Latin word lītigātus (past participle of lītigāre to go to law). See litigant, -ate1
Related formslit·i·ga·tive, adjectivere·lit·i·gate, verb (used with object), re·lit·i·gat·ed, re·lit·i·gat·ing.un·lit·i·gat·ed, adjectiveun·lit·i·gat·ing, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for unlitigated

litigate

verb
  1. to bring or contest (a claim, action, etc) in a lawsuit
  2. (intr) to engage in legal proceedings
Derived Formslitigator, noun

Word Origin for litigate

C17: from Latin lītigāre, from līt-, stem of līs lawsuit + agere to carry on
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for unlitigated

litigate

v.

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.

Online Etymology Dictionary, © 2010 Douglas Harper