an extraordinary or unusual thing, person, or event; an exceptional example or instance.
a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.
late 14c., from Fr. convertible (13c.), from L.L. convertibilis, from convertere (see convert). The noun is recorded from 1610s; meaning "automobile with a removable top" is from 1916.