"shops should take back unsatisfactory goods"; "her performance proved to be unsatisfactory"; "life is becoming increasingly unsatifactory"; "our discussion was very unsatisfactory"
is similar to
not up to expectations
"a disappointing performance from one who had seemed so promising"
is similar to
below acceptable in performance
"received failing grades"
is similar to
below a satisfactory level
"an off year for tennis"; "his performance was off"
is similar to
not adequate to give satisfaction
"the coach told his players that defeat was unacceptable"
see also
not acceptable; not welcome
"a word unacceptable in polite society"; "an unacceptable violation of personal freedom"
see also
lacking the requisite qualities or resources to meet a task
"inadequate training"; "the staff was inadequate"; "she was unequal to the task"