characterized by or subject to tempests: the tempestuous ocean.
2.
of the nature of or resembling a tempest: a tempestuous wind.
3.
tumultuous; turbulent: a tempestuous period in history.
Origin: 1500–10; < Late Latintempestuōsus, derivative of tempestus, variant of tempestāstempest (see -ous); replacing earlier tempeste(u)ous, tempestious (see -eous, -ious)
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.
a gadget; dingus; thingumbob.
an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.
a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.
the offspring of a zebra and a donkey.
a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes.
mid-15c., from L. tempestuosus, from tempestas (see tempest). The figurative sense is older in English; literal sense is from c.1500. Related: Tempestuously.