unsatisfactory
[adjective]
Synonyms: unacceptable, deficient, disappointing, inadequate, insufficient, not good enough, not up to scratch (informal), poor

---

Antonyms: satisfactory

[TahlilGaran] English Synonym Dictionary ▲

un‧sat‧is‧fac‧to‧ry /ʌnˌsætəsˈfæktəri, ʌnˌsætɪsˈfæktəri/ adjective
[Word Family: adjective: satisfactory ≠ unsatisfactory, satisfied ≠ dissatisfied ≠ unsatisfied, satisfying; adverb: satisfactorily ≠ UNSATISFACTORILY, satisfyingly; verb: satisfy; noun: satisfaction ≠ dissatisfaction]
not good enough or not acceptable:
an unsatisfactory situation

[TahlilGaran] Dictionary of Contemporary English ▲

unsatisfactory
adjective
BAD: To tell you the truth, it's the most unsatisfactory job I've ever had.
GOOD: To tell you the truth, it's the most unsatisfying job I've ever had.

Usage Note:
See note at SATISFACTORY (satisfactory)

[TahlilGaran] Dictionary of Common Errors ▲