의 반의어 open to the public

secret confidential classified undisclosed hush-hush restricted unknown unpublished unrevealed untold intimate nonpublic private underground esoteric hushed incognito inside privy undercover unofficial backdoor dissembled dissimulated mom mum unacknowledged uncommunicated behind-the-scenes off the record strictly confidential top secret under wraps not for circulation not for publication under-the-table not to be disclosed not to be made public sub rosa sub-rosa

open to the weather open to view open up open war open wide openwork open to the elements open to question open to doubt open to discussion open to debate open to criticism