1. (law) a defence by an accused person purporting to show that they could not have committed the crime in question
   "The suspect's alibi was that he was at a movie theatre when the robbery occurred"
    
2. A defence of some offensive behaviour or some failure to keep a promise etc.
   "every day he had a new alibi for not getting a job";
   - excuse, exculpation, self-justification

1. Exonerate by means of an alibi
   "His friend alibied him for the night of the crime"

Derived forms: alibis, alibiing, alibied

Type of: account, defence [Brit, Cdn], defense [US], excuse, explain, vindication

Encyclopedia: Alibi