alibi has definitions from the field of law
1
[ noun ] (law) a defense by an accused person purporting to show that he or she could not have committed the crime in question

Used in print

(Gene Caesar, Rifle for Rent....)

The former scout 's alibi could n't be shaken .

Once_again , he shook his head , kept his face expressionless and his voice very calm , and had a strongly supported alibi ready .

Related terms

defense law

2
[ verb ] exonerate by means of an alibi

Related terms

excuse excuse

3
[ noun ] a defense of some offensive behavior or some failure to keep a promise etc.

Examples

"he kept finding excuses to stay" "every day he had a new alibi for not getting a job" "his transparent self-justification was unacceptable"

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