"vetoing" in the verb sense
1. veto, blackball, negative
vote against refuse to endorse refuse to assent
"The President vetoed the bill"
2. forbid, prohibit, interdict, proscribe, veto, disallow, nix
"I forbid you to call me late at night"
"Mother vetoed the trip to the chocolate store"
"Dad nixed our plans"
Source: WordNet® (An amazing lexical database of English)
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