Answer: snappier

AnswerCrossword Clue
SNAPPIERLess patient
SNAPPIERMore stylish
SNAPPIERMore lively
SNAPPIERQuicker on the draw.
SNAPPIERMore pungent
SNAPPIERNiftier
SNAPPIERMore irritable
SNAPPIERRelatively rapid
snappierIrritable and inclined to speak sharply; snappish
snappierCleverly concise; neat
snappierNeat and elegant
snappierSNAPPY, snappish (tending to behave in an impatient or irritable manner)