unavoidable-accident doctrine.Torts. The rule holding no party liable for an accident that was not foreseeable and that could not have been prevented by the exercise of reasonable care. • The modern trend is for courts to ignore this doctrine, relying instead on the basic concepts of duty, negligence, and proximate cause. — Also termed inevitable-accident doctrine. [Cases: Automobiles  201(10); Negligence  440. C.J.S. Motor Vehicles § 517; Negligence§§ 66–68, 209.]
[Blacks Law 8th]