| drowsy(adjective, beat, gloomy, depressed, tired) |
| effete(adjective, beat, weak, thin, delicate) |
| emasculated(adjective, weak, thin, delicate, shaky) |
| enfeebled(adjective, weak, thin, delicate, shaky) |
| etiolated(adjective, weak, thin, delicate, shaky) |
| fagged(adjective, beat, gloomy, depressed, tired) |
| failing(adjective, weak, thin, delicate, short) |
| faint(adjective, weak, thin, delicate, uncertain) |
| fed up(expression, adjective, beat, gloomy, depressed) |
| flabby(adjective, weak, thin, delicate, shaky) |
| flaccid(adjective, uncertain, feeble, shaky, hesitant) |
| flagging(adjective, beat, gloomy, depressed, tired) |
| flimsy(adjective, uncertain, feeble, shaky, hesitant) |
| forceless(adjective, weak, uncertain, feeble, hesitant) |
| fragile(adjective, weak, thin, delicate, uncertain) |
| frail(adjective, weak, thin, delicate, uncertain) |
| gone to seed(expression, idiom, exhausted, limp, weakened) |
| had it(expression, adjective, beat, gloomy, depressed) |
| helpless(adjective, weak, thin, delicate, shaky) |
| impatient(adjective, beat, gloomy, depressed, tired) |