Irreproachable (adjective)

Not open to criticism or blame; blameless.

Origin:

From the latin word "irreprochabilis" meaning "blameless".

Examples:

1. His behavior was irreproachable throughout the entire trial.
2. Her reputation was irreproachable and she was well-respected in her community.
3. The company's safety record is irreproachable, they have never had a major accident.
4. His work ethic is irreproachable, he always goes above and beyond what is expected of him.
5. The candidate's qualifications were irreproachable and he was the clear choice for the job.