hypersensitive

hy·per·sen·si·tive

adj
\ˌhī-pər-ˈsen(t)-sət-iv, -ˈsen(t)-stiv\

Definition of HYPERSENSITIVE

1

: excessively or abnormally sensitive

2

: abnormally susceptible physiologically to a specific agent (as a drug or antigen)

—hy·per·sen·si·tive·ness noun

—hy·per·sen·si·tiv·i·ty \-ˌsen(t)-sə-ˈtiv-ət-ē\ noun, plural hy·per·sen·si·tiv·i·ties