perilous

per·il·ous

adj \ˈper-ə-ləs, ˈpe-rə-\

Definition of PERILOUS

: full of or involving peril <a perilous journey>

— per·il·ous·ly adverb

— per·il·ous·ness noun

Examples of PERILOUS

1. a perilous journey across the mountains
2. <a perilous journey through hostile territory>

First Known Use of PERILOUS

14th century

Related to PERILOUS

Synonyms: grave, grievous, hazardous, jeopardizing, menacing, parlous, dangerous, risky, serious, threatening, unhealthy, unsafe, venturesome

Antonyms: harmless, innocent, innocuous, nonhazardous, nonthreatening, safe, unthreatening

Related Words: dicey, insecure, precarious, treacherous, uncertain; ultrahazardous; chance, haphazard, random; distressing, sickening, unpleasant; ugly, wicked; adverse, bad, baleful, baneful, deleterious, detrimental, evil, harmful, hurtful, ill, inimical, injurious, malignant, nasty, noxious, pernicious, pestilent; deadly, deathly, destructive, dire, fatal, fateful, fell, killer, lethal, mortal, murderous

Near Antonyms: advantageous, beneficial, good; ultrasafe

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See Synonym Discussion at dangerous