unsatisfactory

They demand a refund on unsatisfactory goods.

an opportunity to purge the party of unsatisfactory members.

Shops are often reluctant to take back unsatisfactory goods.

such unsatisfactory work gives cause for concern.

he could expunge an unsatisfactory incident from his memory.

the pursed lips of an auditor perusing an unsatisfactory set of accounts.

The identification result of the gyro misalignment angle in inertial platform is unsatisfactory for the static multiposition test scheme.

It’s a very unsatisfactory detective story. You know who committed the murder, but there are far too many loose ends.

Ophthalmology is a compulsory course of clinical medicine for medical college students.The undiversified traditional teaching method results in unsatisfactory teaching effects.