Synonyms and related words :
abort, anticipate, arrest, avert, avoid, baffle, balk, ban, bar, block, check, control, curb, dam, debar, deflect, delay, deny, deter, disallow, discourage, dishearten, embargo, enjoin, estop, exclude, exclude from, fend, fend off, foil, forbid, foreclose, forestall, frustrate, hamper, help, hinder, impede, inhibit, intercept, interdict, interrupt, keep from, keep off, mitigate, obstruct, obviate, outlaw, preclude, prohibit, proscribe, refuse, reject, repel, repress, restrain, retard, rule out, save, say no to, shut out, slow, stave off, suppress, taboo, thwart, turn aside, ward, ward off