| dynamite(adjective, characteristic, doubt, instability) |
| effervescent(adjective, characteristic, doubt, instability) |
| equivocal(adjective, characteristic, doubt, instability) |
| erratic(adjective, characteristic, doubt, instability) |
| every which way(expression, characteristic, doubt, instability) |
| exposed(adjective, characteristic, doubt, instability) |
| fainthearted(adjective, characteristic, fear, cowardice) |
| fanciful(adjective, characteristic, doubt, instability) |
| far-fetched(adjective, characteristic, doubt, instability) |
| fat chance(expression, characteristic, doubt, instability) |
| fatal(adjective, characteristic, doubt, instability) |
| fishy(adjective, characteristic, doubt, instability) |
| flaky(adjective, characteristic, doubt, instability) |
| fluctuating(adjective, characteristic, doubt, instability) |
| fluid(adjective, characteristic, doubt, instability) |
| formidable(adjective, characteristic, doubt, instability) |
| freakish(adjective, characteristic, doubt, instability) |
| gaga(adjective, characteristic, doubt, instability) |
| gutless(adjective, characteristic, fear, cowardice) |
| hairy(adjective, characteristic, doubt, instability) |