Capable of perceiving with a sense or senses: Aristotle held that animals have a sensitive soul, but only humans have a rational one.
Responsive or capable of responding to a chemical stimulus or substance. Used especially of a cell, tissue, or organism.
Susceptible to slight differences or changes in the environment: a plant that is sensitive to rapid changes in temperature; heat-sensitive enzymes. Readily altered by the action of an agent: film that is sensitive to light. Registering slight differences or changes of condition. Used of an instrument.
Easily irritated: sensitive skin. Predisposed to inflammation as a result of preexisting allergy or disease: People with celiac disease are sensitive to gluten.
Aware of or careful about the attitudes, feelings, or circumstances of others: The book is a sensitive treatment of a troubled friendship. Easily hurt, upset, or offended: Teenagers tend to be especially sensitive about their appearance.
Fluctuating or tending to fluctuate, especially in price: sensitive stocks.
Of or relating to secret or classified information: sensitive defense data; holds a sensitive position in the State Department.
A sensitive person.
One held to be endowed with psychic or occult powers.