debar

debar verb abrogate, arrest, astrict, ban, bar, block, cancel, check, confine, constrain, countermand, curb, detain, deter, disallow, discourage, dispose of, dissuade, eliminate, embargo, enjoin, estop, exclude, excommunicate, forbid, forestall, gainsay, halt, hamper, hinder, hold back, impede, inhibit, interdict, interfere, limit, obstruct, occlude, outlaw, paralyze, preclude, prevent, prohibit, proscribe, refuse, remove, restrain, restrict, retard, revoke, shut out, stall, stifle, stop, stymie, suppress, suspend, trammel, veto, ward off, withdraw, withhold

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See also: ban, bar, block, condemn, constrain, counteract, disable, disqualify, eliminate, exclude, fight, forbid, halt, hamper, inhibit, interdict, obstruct, occlude, preclude, prevent, prohibit, refuse, remove, restrain, restrict, thwart, trammel, withhold