1. beyond criticism or blame; free from fault or defect; impeccable

Examples

• Her irreproachable conduct throughout her career earned her widespread respect.
• The judge maintained an irreproachable reputation for fairness and integrity.
• His irreproachable manners made him a welcome guest at any formal event.
• The company's irreproachable safety record is a source of pride.
• She lived an irreproachable life, never giving anyone cause for criticism.
• The athlete's irreproachable performance on and off the field made him a role model.