There are several synonyms for the term "most decurtate" which describe the act of cutting something short or reducing its length. Some common and useful synonyms include truncated, abbreviated, curtailed, shortened, abridged, and clipped. Each of these words carries a slightly different connotation; truncated suggests a sudden or abrupt reduction, abbreviated suggests a shortened form of a longer word or phrase, curtailed implies an intentional reduction for a specific purpose, shortened is a more general term for any reduction in length, abridged carries a connotation of a condensed version of a larger work, and clipped suggests an abrupt cut or snip. Overall, these synonyms can be used interchangeably to describe the truncation of something, whether it be a sentence, word, or physical object.