The phrase 'is wrong' can be replaced with numerous synonyms to express the same sentiment in different ways. Some alternatives include 'is incorrect,' which highlights a factual error or inaccuracy, and 'is mistaken,' which acknowledges a misunderstanding or misinterpretation. 'Is false' can also be used to indicate something that is not true or lacks veracity. 'Is improper' points to something that is not suitable or appropriate, while 'is unacceptable' suggests something that is not tolerable or not up to par. Finally, 'is misguided' expresses a belief or action that is based on flawed or faulty reasoning. Choosing the right synonym depends on the context and the precise meaning intended.