When it comes to expressing opposition or disagreement, the phrase "is against" is a commonly used expression. However, there are numerous synonyms that can be employed to avoid repetition and enhance the impact of your statement. Some of the most effective synonyms that can be used in place of "is against" include "opposes," "disapproves," "rebukes," "condemns," "rejects," "opposes," "challenges," "denounces," "criticizes," "repudiates," and "protests." Using these synonyms can make your writing or speech more compelling and help to get your point across more effectively. So next time you want to express your opposition or disagreement, try using one of these synonyms instead of defaulting to "is against".