Discredits refer to the act of undermining the credibility or reputation of someone or something. There are numerous synonyms for this word, which can be used to convey similar meanings. Some of these synonyms include "disapproves", "denounces", "repudiates", "condemns", "criticizes", "rebukes", "vilifies", "maligns", "slanders", "defames", "besmirches", "tarnishes", "casts doubt on" and "undermines". All these words imply a sense of judgment or disapproval, and can be used in different contexts to express one's opinion on a particular subject or person. No matter which synonym you choose to use, they all convey a sense of discrediting or disapproving of something or someone. Therefore, it's important to choose the right synonym based on the context and intended meaning.