sensitive
//ˈsɛnsɪtɪv//
Adjective
Quick to detect or respond to slight changes, signals, or influences; having acute physical or emotional awareness
Dogs have sensitive hearing and can detect sounds humans cannot hear.
Easily hurt, upset, or offended by the words or actions of others
She's very sensitive and gets upset easily when people criticize her.
Requiring careful handling or treatment because of being delicate, controversial, or potentially causing offense
This is a sensitive topic that we need to discuss carefully.
Responsive to or strongly affected by external stimuli, especially light, temperature, or touch
This plant is very sensitive to changes in temperature.
Kept secret or requiring security clearance; classified or confidential
These documents contain sensitive information and must not be shared.