unsatisfactory
adjective
- not meeting the acceptable standard
Wiktionary
Pronunciation: /ˌʌnsætɪsˈfækt(ə)ɹi/
adj
Etymology: Etymology tree Proto-Indo-European *né Proto-Indo-European *n̥- Proto-Germanic *un- Proto-West Germanic *un- Old English un- Middle English un- English un- English satisfactory English unsatisfactory From un- + satisfactory.
- Inadequate, substandard or not satisfactory.