| Answer | Crossword Clue |
|---|---|
| seaworthy | able to be used on the sea |
| seaworthier | SEAWORTHY, able to be used on the sea |
| seaworthiest | SEAWORTHY, able to be used on the sea |
| unseaworthy | not good enough to be used on the sea |
| navigable | (of a waterway or sea) Able to be sailed on by ships or boats |
| riverworthy | able to be used on a river |
| roadworthy | able to be used on a road / a roadworthy vehicle |
| flameproof | (of cookware) Able to be used either in an oven or on a stove |
