Synonyms of unsatisfactory in English:


See US English definition of unsatisfactory

See UK English definition of unsatisfactory

See Spanish definition of insatisfactorio


1‘this was a most unsatisfactory outcome’

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

satisfactory, good