Learner's definition of SENSITIVITY
1 a : the tendency to become upset about things that are done to you, are said about you, or relate to you
[noncount] — often + to
[count] b [noncount] : the tendency to cause people to be upset
2 a : an awareness and understanding of the feelings of other people
He handled the situation with great sensitivity.
Her decision shows a lack of sensitivity.
I would have appreciated a little more sensitivity from you.
[singular] — often + to b : an awareness of the details or qualities of something — often + to
3 : the quality of being easily affected by something in a bad or unpleasant way
[count] — often + to
4 [singular] : the ability to express your thoughts and feelings through writing, music, etc. 5 [noncount] : the quality of needing to be handled in a careful or secret way 6 [noncount], technical : the ability of a device to sense very small changes in something