Definition of "alibi" in English

noun

1. (law) The plea or mode of defense under which a person on trial for a crime proves or attempts to prove being in another place when the alleged act was committed.

   • to set up an alibi
   • to prove an alibi

2. (sometimes proscribed) An excuse, especially one used to avoid responsibility or blame.

verb

1. (transitive) To provide an alibi for.

2. (transitive) To provide an excuse for.