perilous

[ per-uh-luhs ]
/ ˈpɛr ə ləs /
SEE SYNONYMS FOR perilous ON THESAURUS.COM

adjective

involving or full of grave risk or peril; hazardous; dangerous: a perilous voyage across the Atlantic in a small boat.

Origin of perilous

1250–1300; Middle English < Anglo-French perillous < Latin perīculōsus. See peril, -ous

OTHER WORDS FROM perilous

Words nearby perilous

peril point, perilabyrinthitis, perilaryngitis, perilla, perilla oil, perilous, perilune, perilymph, perilymphangitis, perilymphatic, perilymphatic duct

Words related to perilous

uncertain, touchy, threatening, hazardous, shaky, treacherous, precarious, unstable, delicate, ticklish, rugged, dicey, risky, chancy, exposed, hairy, insecure, loaded, unhealthy, unsafe

Example sentences from the Web for perilous

British Dictionary definitions for perilous

perilous
/ (ˈpɛrɪləs) /

adjective

very hazardous or dangerous a perilous journey

Derived forms of perilous

perilously, adverb perilousness, noun