modified
cautious, prudent, circumspect, careful, guarded, politic, diplomatic, tactful, reserved, reticent, restrained, unostentatious, unobtrusive, modest, discerning, discriminating, observant of decencies, decorous, not rash, safe, wise, judicious, well-judged, strategic, noncommittal, sagacious, heedful, civil, sensible, chary, wary, watchful, attentive, considerate, trustworthy, uncommunicative, secretive, close-mouthed, close-lipped, tight-lipped; see also careful, judicious, thoughtful 2.
Antonyms indiscreet, rash*, ostentatious. See syn. study at careful.careful.
