perilous

[ per-uh-luhs ]
/ ˈpɛr ə ləs /

adjective

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

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Origin of perilous

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

OTHER WORDS FROM perilous

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for perilous

British Dictionary definitions for perilous

perilous
/ (ˈpɛrɪləs) /

adjective

very hazardous or dangerousa perilous journey

Derived forms of perilous

perilously, adverbperilousness, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012