Synonyms of covert

1 Syllable
slyer, slyest, sly, slier, hole, sliest, qt
2 Syllables
forest, privy, hidden, shrouded, latent, buried, veiled, grove, wildwood, sneaking, roofing, secret, incog, plafond, haven, perdu, shelters, stealthy, masked, stealthiest, backstairs, hush-hush, shelter, screened, cloaked, ceiling, stealthier, havens
3 Syllables
concealed, dissembled, planchement, unseeable, adytum, wraithlike, mystifying, obscured, blockaded, disguised, mysterious, vestigial, refuge, sheltering, ulterior, private, furtive, secluded, underhand, housetop
4 Syllables
camouflaged, unsuspected, subterranean, secretive, hole-and-corner, unviewable, alchemistic, huggermugger, undercover, unrealized, incognito, quarterage, cloak-and-dagger, clandestine, invisible, undivulged, surreptitious
5 Syllables
under-the-table, unperceivable, astrological, enigmatical