1. superlative form of rash: most acting without thinking carefully about consequences; most hasty or impulsive
Usage: superlative form

Examples

• That was the rashest decision he had ever made.
• She was the rashest driver in the family.
• His rashest moment came when he quit without notice.
• The rashest investors lost the most money in the crash.
• Even his rashest plans usually worked out somehow.
• It was perhaps the rashest thing I’d ever done.