Possible Clues:

• Peril of the dire kind, perhaps
• What a flashing red light may indicate
• Ranged about in some peril
• Risk, peril
• A light red for to make one cross at last
• Risk making many rage
• It makes one see red; at last it makes one see red
• Jeopardy or peril
• Dead nettle could create hazard
• Risk using tip of dirty needle