Definition of perilous adjective from the Oxford Advanced American Dictionary

     

    perilous

     adjective
    adjective
    NAmE//ˈpɛrələs//
     
    (formal or literary)
     
    jump to other results
  1. 1very dangerous synonym hazardous
  2. 2 a perilous adventure/journey
 
adverb We came perilously close to disaster. Supplies are perilously low.
See the Oxford Advanced Learner's Dictionary entry: perilous