From idiocrasy + -cratic, as with other -crasy + -cratic adjectives (e.g., idiosyncratic).
idiocratic (comparative more idiocratic, superlative most idiocratic)
Do not confuse idiocratic ("idiosyncratic") with its historically newer homophonic and homographic homonym, idiocratic ("pertaining to rule by idiots"), nor with its older homophone, ideocratic ("pertaining to rule by ideologues").
From idiocracy + -cratic, as with other -ocracy + -cratic adjectives (e.g., plutocratic, kleptocratic, autocratic).
idiocratic (comparative more idiocratic, superlative most idiocratic)
Do not confuse idiocratic ("pertaining to rule by idiots") with its historically older homophonic and homographic homonym, idiocratic ("idiosyncratic"), nor with its other older homophone, ideocratic ("pertaining to rule by ideologues").