letting down hair (verb) familiarize: make or become acquainted with, knowledgeable about
Sinonime: 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
Antonime: bare,
clear, disclosed,
exposed,
obvious, open,
plain, revealed,
shown, told, uncovered