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

See also: susceptible

• french-fry
• French-speaking
• Frenchify
• Frenchman
• Frenchwoman
• frenetic
• frenetically
• frenulum
• frenum
• frenzied
• frenziedly
• frenzy
• freon
• frequence
• frequency
• frequency band
• frequency distribution
• frequency modulation
• frequency response
• frequency-response characteristic
• frequency-response curve
• frequent
• frequentation
• frequentative
• frequenter