"Gets scot free" is an idiom that means someone avoids punishment or consequence for a wrongdoing. There are plenty of alternatives to this phrase that can be used to convey the same idea. Some of these synonyms include "gets away with it", "escapes unscathed", "evades justice", "goes unpunished", "slides by", "walks free", "dodges accountability", "skates by", "eludes retribution", "avoids penalty", and "skips out unharmed". Each of these phrases can be used interchangeably with "gets scot free" depending on the context in which it is used.