The English language offers various words that can be used as synonyms for the phrase "not conform." Among these words are "deviate," "dissent," "rebel," "defy," and "nonconform." To deviate means to depart from a usual or accepted course. Dissent means to withhold assent or approval, while to rebel means to rise up against authority. Defy means to refuse to obey or show recognition to someone or something. Lastly, nonconform means to fail to meet specified standards or expectations. These words all convey different intensities of non-conformity and may be used interchangeably depending on the context of the sentence.