When it comes to finding synonyms for the phrase "most hardhanded," there are various options available. Some of the phrases that can be used in place of "most hardhanded" include: most severe, most oppressive, most unyielding, most rigorous, most strict, most relentless, most authoritarian, most strict, most uncompromising, and most authoritarian. These phrases all have a similar connotation, indicating something that is strict or harsh in nature. They can be used interchangeably in different contexts where a similar meaning is required. So, depending on the context, different synonyms for "most hardhanded" can be used to convey a similar meaning.