1 : excessively or abnormally sensitive. 2 : abnormally susceptible physiologically to a specific agent (as a drug or antigen) Other Words from hypersensitive. hypersensitiveness noun.

Where did the word hypersensitive come from?

1827, a hybrid from hyper- "over, exceedingly, to excess" + sensitive. Related: Hypersensitivity; hypersensitiveness.

What is the meaning of Hyposensitivity?

Hyposensitivity, also known as Sensory under-responsitivity, refers to abnormally decreased sensitivity to sensory input. Hyposensitivity is especially common in people with Autism, and is mostly seen in children. Those experiencing this have a harder time stimulating their senses than normally.