Alibi (1942 film)
WordNet
noun
(1) (law) a defense by an accused person purporting to show that he or she could not have committed the crime in question
(2) A defense of some offensive behavior or some failure to keep a promise etc.
"He kept finding excuses to stay"
"Every day he had a new alibi for not getting a job"
"His transparent self-justification was unacceptable"
verb
(3) Exonerate by means of an alibi