perilous

comparative more perilous · superlative most perilous · alternative obsolete perelles · alternative archaic perillous · alternative obsolete perlous · alternative poetic per'lous

1. Dangerous, full of peril.

   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

   1 more example

   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

   Synonyms: treacherous