| noun | (physiology) responsiveness to external stimuli; the faculty of sensation “sensitivity to pain” |
| noun | the ability to respond to physical stimuli or to register small physical amounts or differences “a galvanometer of extreme sensitivity” |
| noun | sensitivity to emotional feelings (of self and others) |
| noun | susceptibility to a pathogen |
| noun | the ability to respond to affective changes in your interpersonal environment |
| sensitive | adjective | hurting |
| sensible | adjective | readily perceived by the senses |