Most decuple refers to ten times more than a specific value. Synonyms for this phrase include "tenfold," "ten times as much," "ten times greater," "ten times more significant," and "ten times larger." These words or phrases express the same meaning as most decuple and can be used interchangeably depending on the context. For example, "The company's profits increased tenfold this year" and "The company's profits increased most decuple this year" have the same meaning. In summary, there are several synonyms for most decuple that can be used to convey the idea of something increasing or being ten times greater than a previous value.