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Synonyms

perilous

American  
[per-uh-luhs] / ˈpɛr ə ləs /

adjective

  1. involving or full of grave risk or peril; hazardous; dangerous.

    a perilous voyage across the Atlantic in a small boat.

    Synonyms:
    risky
    Antonyms:
    safe

perilous British  
/ ˈpɛrɪləs /

adjective

  1. very hazardous or dangerous

    a perilous journey

"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

Other Word Forms

  • nonperilous adjective
  • perilously adverb
  • perilousness noun
  • unperilous adjective

Etymology

Origin of perilous

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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

For Weiss, it’s perilous situation as her every move as a digital media entrepreneur with no experience in television is being closely scrutinized.

From Los Angeles Times

"I think this is a very perilous time for CNN both politically and economically," he said.

From Barron's

Watson has the both the artistic acumen and audience sensitivity needed to usher Skylight through this perilous moment in the American theater when so many companies seem to be holding on by a thread.

From Los Angeles Times

But these are perilous times and, whatever it says publicly, the BBC will be weighing up its next steps with a great deal of caution.

From BBC

Venezuelan opposition leader María Corina Machado had just endured the most perilous leg of her escape from her home country on her way to receive the Nobel Peace Prize in Norway.

From The Wall Street Journal