Superlative form of touchy: most touchy. (adjective)
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Use "touchiest" in a sentence
"Probably the two "touchiest" topics covered are the Germs book Don co-wrote with the late Brendan Mullen (as well as Adam Parfrey), and his feelings regarding the current incarnation of 45 Grave."
"NEW YORK (CNNMoney. com) - It is one of the touchiest issues in the health care debate: Would a government-run health plan upend the employer-based health insurance system used by 160 million Americans?"
"But the touchiest Miami player might be veteran forward Juwan Howard, who averaged 38 high fives per 48 minutes, good for the highest rate on the Heat."