| Rating | Solver | Clue |
|---|---|---|
| VAIN | Fruitless | |
| INEFFECTIVE | Fruitless | |
| UNPRODUCTIVE | Fruitless | |
| ABORTIVE | Fruitless | |
| UNSUCCESSFUL | Fruitless | |
| FOOLSERRAND | Fruitless undertaking | |
| AGE | Plumage reveals fruitless period | |
| ERRAND | Fruitless task, fool’s ... | |
| BARREN | Unproductive; fruitless; unprofitable; empty. | |
| ENDLESS | Without profitable end; fruitless; unsatisfying. | |
| BLANK | Empty; void; without result; fruitless; as, a blank space; a blank day. | |
| WOOLGATHERING | Indulging in a vagrant or idle exercise of the imagination; roaming upon a fruitless quest; idly fanciful. | |
| FRUITLESS | Lacking, or not bearing, fruit; barren; destitute of offspring; as, a fruitless tree or shrub; a fruitless marriage. | |
| VANITY | That which is vain; anything empty, visionary, unreal, or unsubstantial; fruitless desire or effort; trifling labor productive of no good; empt... | |