| unstable(adjective, characteristic, doubt, instability) |
| aggressive(adjective, activity, characteristic, ambition, aggression) |
| spineless(adjective, characteristic, fear, cowardice) |
| insecure(adjective, characteristic, doubt, instability) |
| paranoia(noun, disorder, mind, illness, craziness) |
| uncertain(adjective, characteristic, doubt, instability) |
| chancy(adjective, characteristic, doubt, instability) |
| changeful(adjective, characteristic, doubt, instability) |
| fickle(adjective, characteristic, doubt, instability) |
| fitful(adjective, characteristic, doubt, instability) |
| flighty(adjective, characteristic, doubt, instability) |
| impulsive(adjective, characteristic, doubt, instability) |
| inconstant(adjective, characteristic, doubt, instability) |
| indecisive(adjective, characteristic, doubt, instability) |
| lily-livered(adjective, characteristic, fear, cowardice) |
| mercurial(adjective, characteristic, doubt, instability) |
| mutable(adjective, characteristic, doubt, instability) |
| precarious(adjective, characteristic, doubt, instability) |
| speculative(adjective, characteristic, doubt, instability) |
| ticklish(adjective, characteristic, doubt, instability) |