1. emotionally unresponsive or indifferent to something that would normally cause a strong reaction
Usage: British spelling; American spelling is 'desensitized'

1. past tense and past participle of desensitise; to make someone less sensitive or responsive to something
Usage: British spelling; American spelling is 'desensitized'; often used with 'to'

Examples

• After watching violent films for years, he became desensitised to graphic content.
• The constant news coverage had desensitised the public to the tragedy.
• Repeated exposure to the stimulus desensitised the patients to their fear.
• She felt desensitised to criticism after receiving so much negative feedback.
• The therapy aims to desensitise people to their phobias through gradual exposure.
• Modern advertising has desensitised consumers to manipulative marketing tactics.