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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.

He added: "I can assure you of integrity of current staff and elected office bearers but neither that nor justice being done addresses the perilous financial position which we find ourselves in as a result."

From BBC

On Tuesday, as the group was making the perilous journey back from the huts through a raging storm, an avalanche struck, according to the Nevada County Sheriff’s Office.

From Los Angeles Times

To capture the last perilous stretch of their escape, production lined a New Mexico road with propane-powered flames, wind machines and flame effect lighting.

From Los Angeles Times

Before then, Britain's men will return to the ice in a similarly perilous situation.

From BBC

But a contest in a south-east corner of Greater Manchester - the Gorton and Denton by-election - is taking place at the end of this month and could be just as perilous for the PM.

From BBC