Not showing patience or tolerance; harsh or severe.

कठोर

English Usage: Her unforbearing attitude towards errors often discouraged her team.

Hindi Usage: उसकी गलतियों के प्रति कठोर रवैये ने अक्सर उसकी टीम को हतोत्साहित किया।

The quality of being intolerant or unyielding.

असहिष्णुता

English Usage: His unforbearing nature made it difficult for him to maintain friendships.

Hindi Usage: उसकी असहिष्णुता के कारण उसके लिए दोस्ती निभाना मुश्किल हो गया।