touchy

Concise Oxford English Dictionary © 2008 Oxford University Press:
touchy/ˈtʌtʃi/

▶adjective (touchier, touchiest)

• 1 quick to take offence; oversensitive.

• 2 (of a situation or issue) requiring careful handling.

– derivatives
touchily adverb,
touchiness noun.

– origin C17: perh. an alt. of tetchy, influenced by touch.