Noah Webster's Dictionary 1. (a.) Full of, attended with, or involving, peril; dangerous; hazardous; as, a perilous undertaking. 2. (a.) Daring; reckless; dangerous.

Multi-Version Concordance Perilous (1 Occurrence) 2 Timothy 3:1 This know also, that in the last days perilous times shall come. (KJV WBS YLT)