Veto

usgb/ˈviːtəʊ/Volume
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Government AuthorityPlay
Veto as a noun often relates to official governmental powers and is considered a formal term. SlideThe mayor's veto prevented the new parking ordinance.
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Rare Personal UsePlay
While veto originates from government use, it can be used personally to humorously show strong opposition. SlideMom put a veto on junk food in our house.