vicarious liabilityvicarious liability: where legal liability is imposed on an ...: where legal liability is imposed on an entity for an act or commission they did not commit personally, but was committed by someone else – most commonly by an employee of theirs; in the context of employment law, for vicarious liabilityvicarious liability: where legal liability is imposed on an ... to arise and impose liability on the employer, the relevant conduct of the employee must be sufficiently related to the conduct authorised by the employer.