1. (a.) Free from pretension; showing discernment; using judicious words that respect privacy; as, a discreet letter\, especially in avoiding error or evil, and in the adaptation of means to ends; prudent; sagacious; judicious; not rash or heedless; cautious.

2. (a.) Differing; distinct.

Olympian aloof backward bashful blank calculating canny careful cautious chary chilled chilly circumspect close closemouthed cold considerate constrained controlled cool dark deliberate detached diplomatic discriminating discriminative distant dry enlightened evasive expressionless forbidding frigid frosty gingerly guarded heedful hesitant icy impassive impersonal inaccessible introverted judgmatic judicial judicious leaving out nothing mindful moderate modest noncommittal offish on guard overlooking no possibility pawky politic provident prudent prudential reasonable reflecting reflective regardful remote removed repressed reserved restrained reticent retiring safe secret secretive shifty shrinking simple slow to act standoff standoffish subdued suppressed tactful temperate tentative thorough thoughtful unadorned unadventurous unaffable unapproachable uncommunicative uncongenial undaring undemonstrative unelaborate unenterprising unexcessive unexpansive unextreme ungenial unostentatious unprecipitate unpretentious wary watchful well-advised well-judged withdrawn