WordWeb Online

1. Quick to take offence
   "China's leaders are often too touchy before domestic audiences";
   - huffy, thin-skinned, feisty, miffy [informal]
    
2. Difficult to handle; requiring great tact
   "a touchy subject";
   - delicate, ticklish, tickly

Derived forms: touchier, touchiest

See also: difficult, hard, sensitive

Encyclopedia: Touchy