Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.

WORD ORIGIN

c.1300, from Old French perillos "perilous, dangerous" (Modern French périlleux) "dangerous, hazardous," from Latin periculosus "dangerous, hazardous," from periculum "a danger, attempt, risk" (see peril). Related: Perilously; perilousness.

MORE RELATED WORDS FOR PERILOUSNESS

Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.