| enfeebled(adjective, weak, delicate, ill, sick) |
| escaped(adjective, clear, separate, free, easy) |
| exhausted(adjective, uncertain, feeble, shaky, hesitant) |
| failing(adjective, weak, delicate, ill, sick) |
| faulty(adjective, ill, unhealthy, frail) |
| fearful(weak, indecisive, vacillating) |
| feverish(mean, weak, down, ill, sick) |
| fickle(adjective, weak, uncertain, unstable, doubtful) |
| flabby(adjective, clear, separate, free, easy) |
| flickering |
| floating(adjective, clear, separate, free, easy) |
| floppy |
| forceless(adjective, uncertain, feeble, shaky, hesitant) |
| fragile(adjective, weak, slight, thin, delicate) |
| free(adjective, clear, separate, easy, relaxed) |
| from side to side |
| funny(mean, weak, down, ill, sick) |
| gauzy(weak, slight, thin, feeble, tacky) |
| giddy(shaky, faint, confused, uneven, unsteady) |
| gossamer(weak, slight, thin, feeble, tacky) |