unforgiving

an unforgiving computer program.

he was always a proud and unforgiving man.

the moor can be a wild and unforgiving place in bad weather.

The unforgiving sun beat down on the hikers all day.

Her unforgiving boss never praised her hard work.

The unforgiving terrain made the race more challenging.

He faced the unforgiving truth about his past mistakes.

The unforgiving winter weather made travel difficult.

Her unforgiving words left a lasting impact on him.

The unforgiving deadline forced them to work overtime.

He learned the hard way that life can be unforgiving.

The unforgiving judge handed down a harsh sentence.

Facing the unforgiving reality, she knew she had to change.