Perilous Meaning

/ˈpɛɹ.ɪ.ləs/
C1

Definition, CEFR level C1, pronunciation, examples, and quiz.

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adjDangerous, full of peril.

Learning without thought is labor lost; thought without learning is perilous.
A coward is someone who, in a perilous emergency, thinks with his legs.
Antonyms:
CEFR Practice Quiz
The ____ journey through the dark forest made everyone feel extremely scared.
CEFR Practice Quiz (Alternate)
The mountain rescue team navigated the ____ terrain to reach the stranded climbers before nightfall.

From Middle English perilous, from Old French perilleus, equivalent to peril + -ous, from the noun peril, or from Latin perīculōsus. Doublet of periculous.

"Three miles or more to our starboard is a low dim line. It is the Eastern shore of Central Africa. We are running to the southward, before the North East Monsoon, between the mainland and the reef that for hundreds of miles fringes this perilous coast." — 1886 October – 1887 January, H[enry] Rider Haggard, She: A History of Adventure, London: Longmans, Green, and Co., published 1887, →OCLC:
"The effects are already being felt. Gamma radiation is flooding through the gaps; the quick-breeding viruses are mutating through half the world, faster than the Medical Art can control them, so that millions of us are sneezing and choking—and dying, too, for lack of antibiotics and proper care. Air travel is a perilous thing; just today, a stratosphere roc crashed head-on into a fragment of the sky and was killed with all its passengers." — 1963, Lester del Rey, The Sky Is Falling:

Explore More C1 Vocabulary Words

CEFR Practice Quiz
The ____ journey through the dark forest made everyone feel extremely scared.
CEFR Practice Quiz (Alternate)
The mountain rescue team navigated the ____ terrain to reach the stranded climbers before nightfall.

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