There are various synonyms for the phrase "not representative," including non-inclusive, untypical, atypical, not reflective, unrepresentative, and inadequate. These words all describe a situation where something or someone does not fully or accurately represent a particular group, community, or situation. For example, an individual may be selected to represent a particular demographic, but if that individual does not accurately reflect the experiences, beliefs, or values held by the majority of that group, they would be considered "not representative." Using these synonyms can help to convey a clearer and more nuanced understanding of the nature of the situation where representation is lacking or inadequate.