Origin: Latin suffix -ory
Unsatisfactory has 2 different meanings across 1 category:
not giving satisfaction
"shops should take back unsatisfactory goods"
"her performance proved to be unsatisfactory"
"life is becoming increasingly unsatifactory"
"our discussion was very unsatisfactory"
inadequate, substandard or not satisfactory
"The restaurant's service was unsatisfactory because our food arrived cold and took over an hour to reach the table."