Longman Dictionary of Contemporary English
Douglas Harper's Etymology Dictionary
1640s, from un- (1) "not" + satisfactory (adj.). Related: Unsatisfactorily; unsatisfactoriness.
Wiktionary
a. inadequate, substandard or not satisfactory
WordNet
adj. 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" [ant: satisfactory]
Usage examples of "unsatisfactory".
It may happen that with an unknown ore the first assay will be more or less unsatisfactory: but from it the necessity for adding more or less flour will be learnt, and a second assay, with the necessary modification of the charge, should give a good result.
Thus, while Marion is everywhere regarded as the peculiar representative in the southern States, of the genius of partisan warfare, we are surprised, when we would trace, in the pages of the annalist, the sources of this fame, to find the details so meagre and so unsatisfactory.
In other cases, arbitration may be unsatisfactory if the arbitrator, unlike the court, has no way of enforcing his decisions.
A cheaper method, that of cramming victims into trucks and killing them with engine exhaust, was judged unsatisfactory because not enough victims could be asphyxiated at one time.
What happened however was that the long fight about trying to get these small easements and to prevent the wholesale scrapping of one vast front in order to conform to a rigid date upon the other led to prolonged, unsatisfactory operations in Italy.
Since that time it has been given almost every year in Leipsic, and more or less frequently in all the musical centers of the world, but its elaboration is very great and its vocal treatment unsatisfactory to solo voices, for which reason it succeeds only under the inspiration of an artistic and enthusiastic leader.
It is also unsatisfactory to some that the elective franchise is not given to the colored man.
It was an unsatisfactory embrace encased in a centimeter of protective armor.
And the radio call to alert Sereno, placed just minutes ago, had garnered a most unsatisfactory response.
Mr Wharton got up from his chair, hesitated a moment, and then gave his hand to the intruder in that half-unwilling, unsatisfactory manner which most of us have experienced when shaking hands with some cold-blooded, ungenial acquaintance.
I thought of my friend Wiggy, waiting in for a visit from her lover, and grew angry on her behalf Better a marriage, however brief and unsatisfactory, than an arrangement such as hers.
The present organization is defective and unsatisfactory, and the suggestions submitted by the department will, it is believed, if adopted, obviate the difficulties alluded to, promote harmony, and increase the efficiency of the navy.
Certain waters, for instance, those contaminated to any extent with organic matter, cannot be used at all in brewing, as they give rise to unsatisfactory fermentation, cloudiness and abnormal flavour.
As a young man aspiring to a career in environmental studies, I found this exclusivist position of scientists just as unsatisfactory as similar claims of religious believers.
He imagined it, awkward, clumsy, unsatisfactory for Dickie, and Marge loving it.