harshness or severity, particularly in tone

ruggedness or roughness in surface or texture

कठोरता

English Usage: The asperities of his voice made it clear he was not pleased.

Hindi Usage: उसकी आवाज़ की कठोरता ने स्पष्ट कर दिया कि वह खुश नहीं था।

sharpness or severity in manner or attitude

तीव्रता

English Usage: His asperities in dealing with customers often led to complaints.

Hindi Usage: ग्राहकों के साथ निपटने में उसकी तीव्रता अक्सर शिकायतें लाती थी।