english
1
general::
Phrase(s): on the off chance because of a slight possibility that something may happen or might be the case; just in case. • I went to the theater on the off chance that there were tickets for the show left. • We didn’t think we would get into the football game, but we went on the off chance.
McGrawhill's American Idioms And Phrasal Verbs
2
general::
see under ON THE CHANCE THAT.
American Heritage Idioms