- not willing or not able to forgive
- allowing no room for adjustments or for errors or weakness; inflexible, exacting, harsh, etc.: an unforgiving budget, unforgiving climate
- Reluctant or refusing to forgive: an unforgiving creditor.
- Not allowing for error or shortcomings, especially in being harsh: an unforgiving climate.
(comparative more unforgiving, superlative most unforgiving)
- Not forgiving
un- +"Ž forgiving