: to use a legal process by which you try to get a court of law to force a person, company, or organization that has treated you unfairly or hurt you in some way to give you something or to do something : to bring a lawsuit against someone or something
People injured in accidents caused by the defective tire have threatened to sue.
They've threatened to sue the company.
He is suing the doctor who performed the unnecessary surgery.
Origin of SUE
Middle English sewen, siuen to follow, strive for, petition, from Anglo-French sivre, siure, from Vulgar Latin *sequere, from Latin sequi to follow; akin to Greek hepesthai to follow, Sanskrit sacate he accompanies