From Longman Dictionary of Contemporary Englishoversensitiveo‧ver‧sen‧si‧tive /ˌəʊvəˈsensətɪv◂ $ ˌoʊvər-/ adjective UPSETeasily upset or offended Don’t you think you’re being a bit oversensitive?
Examples from the Corpus
oversensitive• But maybe, having been on our own for so long, we were just oversensitive.• Cornering adjustability verges on the sensational, providing huge entertainment, though the brakes are oversensitive.• Such oversensitive children may have attention problems.• He was reacting in an oversensitive manner to helpful remarks from the foreman.• Did she detect a conspiracy, or was she becoming a little oversensitive? she wondered.• Some are oversensitive, which leads to annoyance and casts doubt on readings which might not be inaccurate. 