Actus reus Term Actus reus Meaning The physical element of a crime, involving a guilty act or omission that violates the law. Context Legal maxim More from Legal Maxims Actio personalis moritur cum persona Actori incumbit onus probandi Actus me invito factus non est meus actus Actus non facit reum nisi mens sit rea Actus Reus Non Facit Reum Nisi Mens Sit Rea Ad hoc Alibi Alimony More from Legal Maxims