Synonyms for irritation

noun

1. Sensitivity

   soreness, susceptibility, tenderness, inflammation, excitability, rawness, tenseness, irritability, oversensitiveness, hypersensitivity, oversensitivity, extreme sensibility, susceptibleness; see also sensitivity 2.

2. A disturbed mental state

   vexation, exasperation, upset, provocation; see anger, annoyance 1, stress 3.