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1. Having an allergy or peculiar or excessive susceptibility (especially to a specific factor)
   "sensitised children"
   - allergic, hypersensitive, hypersensitized, hypersensitised [Brit], sensitized, supersensitive, supersensitized, supersensitised

1. Cause to sense; make sensitive
   "She sensitised me with respect to gender differences in this traditional male-dominated society"; "My tongue became sensitised to good wine"
   - sensitize
    
2. Make sensitive to a drug or allergen
   "Long-term exposure to this medicine may sensitise you to the allergen"
   - sensitize
    
3. Make (a material) sensitive to light, often of a particular colour, by coating it with a photographic emulsion
   "sensitise the photographic film"
   - sensitize
    
4. Make sensitive or aware
   "He was not sensitised to her emotional needs"
   - sensitize, sensify, sensibilize, sensibilise [Brit]

See also: sensitisation [Brit], sensitiser [Brit], susceptible

Type of: alter, change, modify

Antonym: desensitise [Brit]