THESAURUS
disallow
abjure, assert the contrary, ban, bar, be unmoved, be unwilling, beg off, belie, blackball, categorically reject, contest, contradict, contravene, controvert, counter, cross, debar, decline, decline to accept, default, deny, disaffirm, disagree, disapprove, disapprove of, disavow, disclaim, disfavor, dishonor, disown, disprove, dispute, dissent, dissent from, embargo, enjoin, exclude, exclude from, forbid, forswear, frown at, frown down, frown upon, gainsay, grimace at, hold out against, impugn, inhibit, interdict, join issue upon, keep back, levant, look askance at, look black upon, negate, negative, not accept, not admit, not approve, not buy, not consent, not go for, not hear of, not hold with, not pay, not think of, nullify, object, object to, oppose, ostracize, outlaw, preclude, prevent, prohibit, proscribe, protest, recant, refuse, refuse consent, refuse to admit, refuse to pay, refute, reject, renounce, repress, repudiate, resist entreaty, resist persuasion, retract, revoke, rule out, say nay, say no, say no to, shut out, stand aloof, stop payment, suppress, taboo, take back, take exception to, take issue with, think ill of, think little of, thumb down, turn down, view with disfavor, vote nay, vote negatively, welsh, withhold
ROGET THESAURUS
disallow
Prohibition
VB
prohibit, inhibit, forbid, put one's veto upon,
disallow, enjoin, ban, outlaw, taboo, proscribe, estop, bar, debar, forefend, keep in, keep within bounds, restrain, cohibit, withhold, limit, circumscribe, clip the wings of, restrict, interdict, taboo, put under an interdiction, place under an interdiction, put under the ban, place under the ban, proscribe, exclude, shut out, shut the door, bolt the door, show the door, warn off, dash the cup from one's lips, forbid the banns.