perilous

[ per-uh-luhs ]
See synonyms for: perilousperilouslyperilousness on Thesaurus.com

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

Origin of perilous

1
First recorded in 1250–1300; Middle English, from Anglo-French perillous, from Latin perīculōsus; see peril, -ous

Other words for perilous

Opposites for perilous

Other words from perilous

  • per·il·ous·ly, adverb
  • per·il·ous·ness, noun
  • non·per·il·ous, adjective
  • un·per·il·ous, adjective

Words Nearby perilous

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use perilous in a sentence

British Dictionary definitions for perilous

perilous

/ (ˈpɛrɪləs) /


adjective
  1. very hazardous or dangerous: a perilous journey

Derived forms of perilous

  • perilously, adverb
  • perilousness, noun

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