1. extremely or excessively sensitive; hypersensitive: a supersensitive smoke detector.
  2. Electricity. of or relating to relays that operate on very small currents, below about 250 microamperes.
  3. hypersensitive(def 2).

Origin of supersensitive

First recorded in 1830–40; super- + sensitive
Related formssu·per·sen·si·tive·ness, nounsu·per·sen·si·tiv·i·ty, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018