1.Definition: able to feel or perceive

Related Adjective(s):sensible

2.Definition: being susceptible to the attitudes, feelings, or circumstances of others

"Sensitive to the local community and its needs"

3.Definition: hurting

Related Adjective(s):raw, sore, tender

4.Definition: of or pertaining to classified information or matters affecting national security

5.Definition: responsive to physical stimuli

"A mimosa's leaves are sensitive to touch", "A sensitive voltmeter", "Sensitive skin", "Sensitive to light"