The term "striatest" refers to something that is deemed as the strictest or most stringent in its category. Synonyms for this word include "severe," "rigorous," "stringent," "stern," "harsh," and "unyielding." These words all convey a sense of inflexibility and an uncompromising approach to enforcing standards or rules. Additionally, "demanding," "exacting," and "peremptory" could also be considered as synonyms for "striatest," as they describe a person or situation that insists on absolute adherence to a set of rules or guidelines. Ultimately, using synonyms in writing or communication can help to convey a concept more clearly and to add variety to the language used.