perilous

adjective per·il·ous \ ˈper-ə-ləs , ˈpe-rə- \

Definition of perilous

:full of or involving peril
  • a perilous journey

perilously

adverb

perilousness

noun

Examples of perilous in a Sentence

  1. a perilous journey across the mountains

  2. a perilous journey through hostile territory

Recent Examples of perilous from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'perilous.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of perilous

14th century

Synonym Discussion of perilous

dangerous, hazardous, precarious, perilous, risky mean bringing or involving the chance of loss or injury. dangerous applies to something that may cause harm or loss unless dealt with carefully.
    • soldiers on a dangerous mission
hazardous implies great and continuous risk of harm or failure.
    • claims that smoking is hazardous to your health
precarious suggests both insecurity and uncertainty.
    • earned a precarious living by gambling
perilous strongly implies the immediacy of danger.
    • perilous mountain roads
risky often applies to a known and accepted danger.
    • shied away from risky investments


PERILOUS Defined for English Language Learners

perilous

adjective

Definition of perilous for English Language Learners

  • : full of danger


PERILOUS Defined for Kids

perilous

adjective per·il·ous \ ˈper-ə-ləs \

Definition of perilous for Students

:dangerous 1
  • a perilous journey

perilously

adverb


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