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.
the offspring of a zebra and a donkey.
an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.
1440, "full of meaning," from M.Fr. sententieux, from L. sententiosus "full of meaning, pithy," from sententia "opinion, maxim" (see sentence). Meaning "addicted to pompous moralizing" first recorded 1598.