adj. 25B6; adjective
she can be so touchy : SENSITIVE, oversensitive, hypersensitive, easily offended, thin-skinned, highly strung, tense; irritable, tetchy, testy, crotchety, peevish, querulous, bad-tempered, petulant, pettish; informal snappy, ratty; N. Amer. informal cranky.
a touchy subject : DELICATE, sensitive, tricky, ticklish, embarrassing, awkward, difficult; contentious, controversial.
affable.