Synonyms of unsatisfactory in English:

unsatisfactory


See definition of unsatisfactory

adjective

1‘this was a most unsatisfactory outcome’

SYNONYMS
disappointing, dissatisfying, undesirable, disagreeable, displeasing, deplorable
inadequate, unacceptable, unworthy, poor, bad, substandard, weak, mediocre, lacking, not good enough, defective, deficient, insufficient, faulty, imperfect, inferior
terrible, intolerable, insufferable
impermissible, inadmissible, inappropriate, unsuitable
informal lousy, sad, leaving a lot to be desired, no great shakes, not much cop, not up to par, not up to scratch
ANTONYMS

satisfactory, good