"alibi" in the noun sense
law) a defense by an accused person purporting to show that he or she could not have committed the crime in question
2. excuse, alibi, exculpation, self-justification
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"
"alibi" in the verb sense
exonerate by means of an alibi
Source: WordNet® (An amazing lexical database of English)
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