prevent

prevent verb arrest, avert, avoid, baffle, balk, bar, block, check, checkmate, circumvent, contest, counter, counteract, countercheck, cut off, debar, defeat, deflect, delay, detain, deter, discourage, estop, fend off, foil, forbid, foreclose, forestall, forfend, frustrate, halt, hamper, hinder, hold back, impede, impedire, inhibit, intercept, interfere, interrupt, keep from, keep from happening, limit, muzzle, neutralize, obstruct, obviate, oppose, override, overrule, paralyze, parry, preclude, prohibere, prohibit, repress, restrain, restrict, retard, rule out, stave off, stay, stop, thwart, tie, turn aside, turn away, veto, ward off
Associated concepts: prevent competition, prevent waste, prevented by law, prevention of performance
Foreign phrases: Qui non prohibet id quod prohibere potest assentire videtur.He who does not forbid what he is able to prevent, is deemed to assent.

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See also: arrest, avert, balk, ban, bar, block, censor, check, clog, condemn, constrain, counter, counteract, countervail, debar, delay, detain, disqualify, disrupt, eliminate, enjoin, estop, exclude, fight, foil, forbid, forestall, frustrate, halt, hamper, hinder, impede, inhibit, interdict, interfere, interpose, keep, obstruct, obturate, occlude, oppose, parry, preclude, prohibit, proscribe, repel, resist, restrain, restrict, stave, stay, stem, stifle, stop, suppress, thwart, withstand