alibi /ˈæl.ə.baɪ/noun 2verb 2forms 4 noun2 •the fact that someone was somewhere else when a crime took place, used to show they are not guiltyThe judge said, “Son, what is your alibi? If you were somewhere else, then you won’t have to die.” — 1959 •(nonstandard) An excuse, especially one used to avoid responsibility or blame.That day in September, I'm sure you can remember / That's when all the stuff hit the fan (the stuff hit the fan) / You told me a lie, and you didn't have an alibi / But baby, yet I still cared — 1984 verb2 •To provide an alibi for.Bond laughed. 'What an organization!' he said. 'I'm sure it's all beautifully covered up and alibied. What a man! He certainly seems to have the run of this country.' — 1954 •To provide an excuse for. formsalibied · alibiing · alibies · alibis