The reduction of sensitivity or emotional responsiveness to stimuli, particularly concerning the response to pain or stress.

संवेदनहीनता

English Usage: His desensitivity to criticism helped him thrive in a competitive environment.

Hindi Usage: आलोचना के प्रति उसकी संवेदनहीनता ने उसे प्रतिस्पर्धात्मक माहौल में फलने-फूलने में मदद की।