(+ to) capable of being stimulated or excited by external agents such as light, gravity, or contact
This film is coated with a photographic emulsion sensitive to red light
(often + to) highly responsive or susceptible, e.g.:
easily provoked or hurt emotionally
finely aware of the attitudes and feelings of others or of the subtleties of a work of art
abnormally sensitive; allergic
The baby was found to be sensitive to cow's milk
capable of registering minute differences; delicate
These are very sensitive scales
readily affected or changed by external agents, e.g. light or chemical stimulation
said of a radio receiving set: highly responsive to incoming waves
needing careful or tactful handling; tricky
People's weight is a very sensitive issue
concerned with highly classified information
These documents are highly sensitive