The term "most skewing" refers to something that has the greatest influence on the direction or outcome of a particular situation. Synonyms for this phrase include: most influential, most pivotal, most critical, most significant, most important, most crucial, most decisive, most central, most vital, most key, most instrumental, most determining, most essential, and most essential. These words can all be used interchangeably when talking about something that has a major impact on a certain outcome. Whether it's a decision, a strategy, or a person, using synonyms for "most skewing" can make language more concise and vivid, and help convey the importance of what it is you're discussing.