unforgiving
/ˌʌnfərˈɡɪvɪŋ/
adjective
- Not willing to forgive or show mercy; harsh or severe.
- My grandfather was an unforgiving man who held grudges for years.
- The teacher was unforgiving of any mistakes on the math test.
- An unforgiving boss can make the workplace very stressful.
- Describing a difficult or dangerous environment that offers no mercy or second chances.
- The desert is an unforgiving place with extreme heat and little water.
- The ocean can be unforgiving, with sudden storms and strong currents.
- Mountain climbing in winter is unforgiving for those who are not prepared.
Synonyms