There are various synonyms that can be used for the term "unmotivated voters." One such synonym is "apathetic voters," referring to those who lack interest or concern in the political process. Another synonym can be "disengaged voters," which indicates that they are no longer actively participating in politics. "Indifferent voters" is another suitable term that suggests they are neutral and lack any strong feelings towards voting. Other synonyms include "uninspired voters," "uninterested voters," and "passive voters." These terms depict the voters who are not passionate or energetic about voting and, as a result, may not feel compelled to participate in the electoral process.