The phrase "more infixed" can be replaced with several synonyms depending on the context. For instance, if the word is used to describe a deeply rooted belief or idea, it can be replaced with terms such as ingrained, entrenched or embedded. If used to indicate an increased amount of something, it can be substituted with phrasal terms such as the greater amount or the higher number. Other possible options include intensified, exacerbated, enhanced, or magnified. Synonyms can help enhance writing by adding variety and depth to expression - especially when used appropriately.