nonforgiving

Example:The unforgiving laws of the penal system yielded no mercy.

Definition:Not willing to forgive or show forbearance; relentless; severe.

Example:Her rigid personality meant that she had no tolerance for laziness.

Definition:Subject to or characterized by strict and inflexible application of rules or standards; not yielding to exceptions or deviations.

Example:A career in professional sports is demanding and can often lead to injuries.

Definition:Requiring a high level of skill, dedication, or effort; strict or exacting; harsh.

Example:The strict teacher insisted that homework must be done flawlessly.

Definition:Willing to adhere to or impose strict rules, methods, standards, or disciplines.