Dictionary.net

(law) a defense by an accused person purporting to show that he or she could not have committed the crime in question

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"

(law) a defense by an accused person purporting to show that he or she could not have committed the crime in question

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"

The plea or mode of defense under which a person on trial for a crime proves or attempts to prove that he was in another place when the alleged act was committed; as, to set up an alibi; to prove an alibi.

The plea or mode of defense under which a person on trial for a crime proves or attempts to prove that he was in another place when the alleged act was committed; as, to set up an alibi; to prove an alibi.

The plea of having been elsewhere at the time an offense was committed.

The plea that a person charged with a crime was in another place when it was committed.

Plea of absence at the time an offence was committed.

A plea of being elsewhere when a crime was committed.

An allegation on the part of the accused that he was elsewhere when the crime was committed.

A law term, being elsewhere; being with another person in another place.

n. [Latin] When a person on trial shows that he was in another place at the time when the crime was committed, he is said to prove an alibi; the plea under which this defence is made.