noun
ADJECTIVE
▪ cast-iron ( BrE ), good , ironclad ( AmE ), perfect , solid
▪
She was in the office all of Wednesday and so has a solid ~.
▪ false
VERB + ALIBI
▪ have
▪ establish , provide , supply
▪
They relied on witnesses to establish ~s for the accused.
▪ concoct ( esp. BrE ), create , invent
▪
It was alleged that the accused had created an ~ to save himself.
PREPOSITION
▪ ~ for
▪
The accused was not able to provide an ~ for the evening.