What is another word for brought to naught?
Pronunciation: [bɹˈɔːt tə nˈɔːt] (IPA) 
Brought to naught is a phrase that means something has been made useless or ineffective. Synonyms for this phrase include nullified, invalidated, cancelled, negated, annulled, voided, revoked, overturned, quashed, and annihilated. All of these words convey the idea that something has been rendered powerless or ineffective. However, the nuances of each synonym may vary slightly. For example, cancel and annul suggest more formal action, whereas nullified and invalidated may suggest a less formal or unintentional result. Revoked and overturned suggest a more intentional action to reverse something, while quashed and annihilated suggest a complete and thorough eradication.
