| Answer | Crossword Clue |
|---|---|
| nonviable | not practicable or workable |
| viably | practicable; workable |
| viable | practicable; workable |
| unviable | practicable; workable |
| unworkable | not workable |
| unpracticable | not practicable |
| impracticable | not practicable |
| impracticably | IMPRACTICABLE, not practicable |
| uneconomic | not economically practicable also UNECONOMICAL |
| uneconomical | not economically practicable also UNECONOMIC |
