| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | sick, weak |
| Synonyms: | ailing, anemic, anile, debilitated, decrepit, delicate, enfeebled, failing, faint, faltering, feeble, flimsy, fragile, frail, halting, ill, insecure, irresolute, laid low, lame, sensile, shaky, unsound, unstable, unsubstantial, vacillating, wavering, wobbly |
| Antonyms: | firm, healthy, hearty, robust, sound, strong |
| Main Entry: | bedridden |
| Part of Speech: | adjective |
| Definition: | sick in bed |
| Synonyms: | ailing, disabled, flat on one's back, ill, incapacitated, infirm, invalid, laid up, prostrate |
| Main Entry: | decrepit |
| Part of Speech: | adjective |
| Definition: | deteriorated, debilitated, especially as a result of age |
| Synonyms: | aged, anile, antiquated, battered, bedraggled, broken-down, creaky, crippled, dilapidated, doddering, effete, feeble, flimsy, fragile, frail, haggard, incapacitated, infirm, insubstantial, old, quavering, ramshackle, rickety, run-down, seedy, senile, shabby, shaking, superannuated, tacky, threadbare, tired, tottering, tumble-down, unsound, used, wasted, weak, weakly, weather-beaten, worn, worn-out |
| Antonyms: | fit, healthy, young |
| Main Entry: | delicate |
| Part of Speech: | adjective |
| Definition: | sickly |
| Synonyms: | ailing, debilitated, decrepit, feeble, flimsy, fragile, frail, infirm, shatterable, shattery, slender, slight, susceptible, tender, unhealthy, weak |
| Antonyms: | healthful, healthy, strong |
| Main Entry: | disabled |
| Part of Speech: | adjective |
| Definition: | incapacitated |
| Synonyms: | broken-down, confined, decrepit, disarmed, hamstrung, handicapped, helpless, hurt, incapable, infirm, laid-up, lame, maimed, out-of-action, out-of-commission, paralyzed, powerless, run-down, sidelined, stalled, weakened, worn-out, wounded, wrecked |
| Antonyms: | able, healthy |
| Main Entry: | diseased |
| Part of Speech: | adjective |
| Definition: | unhealthy |
| Synonyms: | afflicted, ailing, indisposed, infected, infectious, infirm, rotten, sick, sickly, tainted, unsound, unwell, unwholesome |
| Antonyms: | fit, healthy |
| Main Entry: | doddering |
| Part of Speech: | adjective |
| Definition: | aged, feeble |
| Synonyms: | anile, decrepit, dotard, faltering, floundering, infirm, senile, shaky, tottering, trembling, unsteady, weak |
| Antonyms: | agile, young, youthful |
| Main Entry: | feeble |
| Part of Speech: | adjective |
| Definition: | not strong; ineffective |
| Synonyms: | aged, ailing, chicken*, debilitated, decrepit, delicate, doddering, dopey, effete, emasculated, enervated, enfeebled, etiolated, exhausted, failing, faint, flabby, flat, fragile, frail, gentle, helpless, impotent, inadequate, incompetent, indecisive, ineffectual, inefficient, infirm, insubstantial, insufficient, lame, languid, low, out of gas, paltry, poor, powerless, puny, sapless, sickly, slight, strengthless, tame, thin, unconvincing, vitiated, weak, weakened, weakly, wimpy, woozy, zero* |
| Antonyms: | able, effective, hardy, healthy, hearty, powerful, solid, sound, strong |
| Main Entry: | flimsy |
| Part of Speech: | adjective |
| Definition: | not strong; light, thin |
| Synonyms: | chiffon, cut-rate, decrepit, defective, delicate, diaphanous, feeble, fragile, frail, gauzy, gossamer, house of cards, inadequate, infirm, insubstantial, meager, papery, rickety, rinkydink, shaky, shallow, sheer, slapdash, sleazy, slight, superficial, tacky, transparent, unsound, unsubstantial, weak, wobbly |
| Antonyms: | firm, heavy, solid, strong, sturdy, substantial, thick, tough |