dissatisfied

adj

1. Feeling or displaying disappointment or a lack of contentment.
2. Not satisfied (e.g. with the quality of something).

   “We offer refunds to dissatisfied customers.”

   “The good news for dissatisfied users of Birmingham New Street is that none of these criticisms have gone unnoticed.”

verb

1. (form-of, participle, past)simple past and past participle of dissatisfy