Synonyms to oath of secrecy

censorship, abbreviation, abridgment, bamboo curtain, barrier of secrecy, blackout, block, blockage, blocking, blue-penciling, bowdlerization, cancellation, censoring, crackdown, crushing, curtain, deletion, editing, erasure, expurgation, extinguishment, hush-up, inhibition, iron curtain, ironbound security, official secrecy, omission, pall, psychological block, putting down, quashing, quelling, quenching, repression, resistance, restraint, seal of secrecy, security, smashing, smothering, squashing, squelching, stifling, strangling, striking, subdual, suffocating, suppression, throttling, veil, veil of secrecy, wraps, Berlin wall, Pillars of Hercules, arch dam, backstop, bank, bar, barrage, barrier, bear-trap dam, beaver dam, boom, border, border ground, borderland, breakwater, breastwork, brick wall, buffer, bulkhead, bulwark, cofferdam, dam, defense, dike, ditch, earthwork, embankment, fence, frontier, frontier post, gate, gravity dam, groin, hydraulic-fill dam, jam, jetty, lea