Respectful of privacy or secrecy; exercising caution in order to avoid causing embarrassment; quiet; diplomatic. / Not drawing attention, anger or challenge; inconspicuous.

The state or quality of being discreet.

comparative form of discreet: more discreet

Acting in a discreet manner; acting in a way that respects privacy or secrecy; quietly / inconspicuously

superlative form of discreet: most discreet