Synonyms to under wraps

abstruse, Herculean, abstract, arcane, arduous, beclouded, blind, brutal, buried, civilized, close, clouded, complex, complicated, concealed, covered, covert, critical, cultivated, cultured, deep, delicate, demanding, difficile, difficult, eclipsed, educated, encyclopedic, erudite, esoteric, exacting, formidable, hairy, hard, hard-earned, hard-fought, heavy, hermetic, hid, hidden, hypothetical, ideal, in a cloud, in a fog, in eclipse, in purdah, in the wings, incommunicado, intricate, jawbreaking, knotted, knotty, laborious, latent, learned, lettered, literate, mean, mysterious, no picnic, not easy, obfuscated, obscure, obscured, occult, operose, pansophic, polyhistoric, polymath, polymathic, profound, recondite, rigorous, rough, rugged, scholarly, scholastic, secluded, secluse, secret, sequestered, set with thorns, severe, spiny, steep, strenuous, studious, thorny, ticklish, toilsome, tough, transcendental, tricky, under an eclipse, under cover, under house arrest, underground, unknown, uphill, wicked, wise, wrapped in clouds, cabalistic, censored, classified, closed, c