Unaccomplished (adjective)

1. Not completed or carried out; not finished or brought to an end.
2. Not having achieved or fulfilled a task or goal.

Origin:

Late 16th century: from un- (expressing negation) + accomplished (from the verb accomplish).

Examples:

1. The project remained unaccomplished due to lack of funding.
2. He felt unaccomplished as he had not yet achieved his goals.
3. The task was left unaccomplished due to a lack of time.
4. Her unaccomplished dreams haunted her.
5. The work was deemed unaccomplished as it was not finished.