| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | secret, sly |
| Synonyms: | artful, cloak-and-dagger, closet, concealed, covert, foxy, fraudulent, furtive, hidden, hush-hush, illegitimate, illicit, in holes and corners, on the Q. T., on the quiet, private, sneaky, stealthy, surreptitious, under wraps, under-the-counter, undercover, underground, underhand |
| Antonyms: | aboveboard, forthright, open, truthful |
| Main Entry: | closemouthed |
| Part of Speech: | adjective |
| Definition: | silent, reserved |
| Synonyms: | buttoned up, clammed up, close, close-lipped, dummied up, have tight chops, hush-hush, on the Q. T., quiet, reticent, sedate, taciturn, tight-lipped, uncommunicative, zipped one's lips |
| Antonyms: | chatty, open, talkative |
| Main Entry: | concealed |
| Part of Speech: | adjective |
| Definition: | hidden, secret |
| Synonyms: | buried, cached, camouflaged, covered, covered up, covert, enshrouded, guarded, holed up, hush-hush, hushed up, incog, incognito, inconspicuous, masked, obscure, obscured, on the Q. T., perdu, planted, privy, put in the hole, recondite, screened, secreted, shrouded, stashed, tucked away, ulterior, under wraps, unseen, veiled |
| Antonyms: | bare, clear, disclosed, exposed, obvious, open, plain, revealed, shown, told, uncovered |
| Main Entry: | covertly |
| Part of Speech: | adverb |
| Definition: | clandestine, underhandedly |
| Synonyms: | by stealth, clandestinely, furtively, hush-hush, in camera, in holes and corners, on the QT, on the quiet, on the sly, privately, secretly, slyly, stealthily, sub rosa, surreptitiously, under wraps, undercover, wildcat |
| Antonyms: | candidly, frankly, honestly, openly, overtly, publicly |
| Main Entry: | off the record |
| Part of Speech: | adjective |
| Definition: | confidential |
| Synonyms: | arcane, backdoor, classified, hush-hush, hushed, in private, inside, not for publication, not public, on the QT, private, privy, secret, unofficial |
| Main Entry: | privileged |
| Part of Speech: | adjective |
| Definition: | confidential, secret |
| Synonyms: | exceptional, for eyes only, inside, not for publication, off the record, on the QT, privy, special, top secret, under one's hat |
| Antonyms: | known, open, public |
| Main Entry: | secret |
| Part of Speech: | adjective |
| Definition: | hidden, unrevealed |
| Synonyms: | abstruse, ambiguous, arcane, backdoor, camouflaged, classified, cloak-and-dagger, close, closet, clouded, conspiratorial, covered, covert, cryptic, dark, deep, disguised, enigmatical, esoteric, furtive, hush-hush, mysterious, mystic, mystical, obscure, occult, on the QT, out-of-the-way, private, recondite, reticent, retired, secluded, shrouded, strange, under wraps, undercover, underground, undisclosed, unenlightened, unfrequented, unintelligible, unknown, unpublished, unseen, veiled |
| Antonyms: | clear, defined, explicit, forthright, honest, open, public, revealed, unconcealed |
| Main Entry: | secretive |
| Part of Speech: | adjective |
| Definition: | uncommunicative |
| Synonyms: | backstairs, buttoned up, cagey, clammed up, close, close-mouthed, covert, cryptic, enigmatic, feline, furtive, hushed, in chambers, in privacy, in private, in the background, in the dark, on the QT, reserved, reticent, silent, taciturn, tight-lipped, undercover, unforthcoming, withdrawn, zipped |
| Antonyms: | communicative, forthright, honest, open |
| Main Entry: | secretly |
| Part of Speech: | adverb |
| Definition: | in hidden manner |
| Synonyms: | behind closed doors, behind someone's back, by stealth, clandestinely, confidentially, covertly, furtively, hush-hush, in camera, in confidence, in holes and corners, in secret, in strict confidence, insidiously, intimately, obscurely, on the QT, on the quiet, on the sly, personally, privately, privily, quietly, slyly, stealthily, sub rosa, surreptitiously, under the table, underhandedly, unobserved |
| Antonyms: | openly, publicly |