The phrase "least amount" refers to the smallest quantity or degree of something. There are several synonyms for this term that can be used to express the same meaning in different ways. Some of these synonyms include "minimal," "smallest," "lowest," "scant," and "bare minimum." These words can be used interchangeably with "least amount" to convey the idea of a limited or insignificant quantity. Other related terms that can also be used as synonyms include "meager," "modest," "tiny," "inconsequential," and "insignificant." By using a variety of synonyms for "least amount," writers and speakers can add nuance and depth to their language, providing greater clarity and impact in their communications.