perilous

From Middle English perilous, borrowed from Old French perilleus, from the noun peril, or from Latin perīculōsus. Doublet of periculous.

• IPA^(key): /ˈpeɹ.ɪ.ləs/, /pɛɹ.l̩.əs/

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perilous (comparative more perilous, superlative most perilous)

1. Dangerous, full of peril.

• perilously

• peril

• perillous, perelous, perlious, pereilous, perlous, perylous, perylus, periluse

From Old French perilleus, from Latin perīculōsus; equivalent to peril +‎ -ous.

• IPA^(key): /ˈpɛriluːs/, /ˈpɛr(ə)luːs/, /ˈpar(ə)luːs/

perilous (inflected form perilouse, superlative perilousest)

1. Full of danger or peril; dangerous, harmful, periculous:
   1. Fatal, mortal; potentially resulting in death.
   2. Scary, frightening; inducing horror and psychological damage.
   3. (Late Middle English) Religiously harmful or hurtful
   4. (Late Middle English) Unfortunate; experiencing bad luck.

• English: perilous, parlous
• Scots: perilous (obsolete)

• “perilǒus (adj.)” in MED Online, Ann Arbor, Mich.: University of Michigan, 2007, retrieved 2018-07-15.