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

See also: susceptible

• synarthrosis
• sync
• syncarp
• syncarpous
• syncategorem
• syncategorematic
• syncategoreme
• synch
• synchondrosis
• synchro
• synchrocyclotron
• synchroflash
• synchromesh
• synchronal
• synchroneity
• synchronic
• synchronic linguistics
• synchronicity
• synchronisation
• synchronise
• synchronised
• synchronised swimming
• synchroniser
• synchronising
• synchronism