secret

adj

1. hidden, under wraps, concealed, ensconced, perdu, buried, covered; shrouded, cloaked, veiled, masked, screened, in the dark; incognito, disguised, camouflaged; undercover, Inf. closet, underground, clandestine, covert, under one's hat, furtive, backdoor, surreptitious; sly, stealthy, sneaky, sneaking, underhand, underhanded.

2. private, confidential, strictly confidential, Archaic. privy, hugger-mugger, Inf. hush-hush, unrevealable; unrevealed, undisclosed, unpublished; intimate, bosom, most personal.

3. secretive, close-mouthed, tight-lipped; reticent, quiet, taciturn, silent, mute, uncommunicative.

4. secluded, seclusive, sheltered, withdrawn, retired, sequestered, backwater, isolated, shut off, apart; removed, remote, out-of-the-way, off the beaten track or path; deserted, lonesome, lonely, foresaken, desolate.

5. esoteric, obscure, recondite, abstruse; mysterious, arcane, cryptic, cryptographic, occult, mystic; riddling, enigmatic, puzzling.

n

6. confidential matter, private affair, Latin, arcanum arcanorum. closed book; skeleton in the closet.

7. mystery, puzzle, riddle, enigma; cabal, intrigue, plot.

8. method, plan, way; formula, recipe.