Veto \Ve"to\, v. t. [imp. & p. p. {Vetoed} (v[=e]"t[=o]d); p. pr. & vb. n. {Vetoing}.] To prohibit; to negative; also, to refuse assent to, as a legislative bill, and thus prevent its enactment; as, to veto an appropriation bill. [1913 Webster]
26 Moby Thesaurus words for "vetoed": banned, barred, contraband, forbade, forbid, forbidden, illegal, illicit, nonpermissible, not permitted, off limits, out of bounds, outlawed, prohibited, ruled out, taboo, tabooed, unallowed, unauthorized, under the ban, unlawful, unlicensed, unpermissible, unsanctioned, untouchable, verboten