Lacking fulfillment; marked by a feeling of failure to achieve goals or desires. / Not yet provided as promised, particularly with respect to a contract or an order for a supply of something.

Not producing fulfillment or a sense of accomplishment; unsatisfying.

plural of unfulfillment

The failure to fulfill or perform something.

Not fulfillable.

In a way that cannot be fulfilled.

Alternative form of unfulfillment

(transitive, US) to not fulfill; stop short of fulfillment or completion

(UK) Alternative spelling of unfulfill