| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | infirm |
| Synonyms: | ailing, anemic, anile, debilitated, decrepit, delicate, enfeebled, failing, faint, faltering, feeble, flimsy, fragile, frail, halting, ill, insecure, insubstantial, irresolute, laid low, lame, puny, sensile, shaky, unsound, unstable, unsubstantial, vacillating, wavering, weak, wobbly |
| 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: | 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: | unconvincing, implausible |
| Synonyms: | assailable, baseless, contemptible, controvertible, fallacious, false, feeble, frivolous, groundless, illogical, improbable, inadequate, inane, inconceivable, incredible, inept, lame, poor, puerile, superficial, thin, transparent, trifling, trivial, unbelievable, ungrounded, unpersuasive, unreasonable, unsatisfactory, unsubstantial, weak, weakly, wishful |
| Antonyms: | convincing, plausible, reasonable, serious, strong |
| Main Entry: | fragile |
| Part of Speech: | adjective |
| Definition: | breakable, dainty |
| Synonyms: | brittle, crisp, crumbly, decrepit, delicate, feeble, fine, flimsy, fracturable, frail, frangible, friable, infirm, insubstantial, shatterable, shivery, slight, unsound, weak, weakly |
| Antonyms: | durable, firm, strong, tough, unbreakable |
| Main Entry: | puny |
| Part of Speech: | adjective |
| Definition: | small, insignificant |
| Synonyms: | diminutive, feeble, fragile, frail, half-pint, inconsequential, inferior, infirm, little, measly, minor, niggling, nothing, paltry, peanut, peewee, petty, picayune, piddling, pint-sized, runt, shrimp, small time, small-fry, stunted, tiny, trifling, trivial, two-bit, unconsequential, underfed, undersized, undeveloped, unsound, unsubstantial, weak, weakly, wee, worthless, zero*, zilch |
| Antonyms: | big, giant, huge, large |
| Main Entry: | quietly |
| Part of Speech: | adverb |
| Definition: | silently |
| Synonyms: | faintly, in a low voice, in a whisper, in low tones, in silence, inaudibly, murmuring, noiselessly, softly, sotto voce, soundlessly, tacitly, under one's breath, weakly |
| Antonyms: | audibly, loudly |
| Main Entry: | weak |
| Part of Speech: | adjective |
| Definition: | not strong |
| Synonyms: | anemic, debilitated, decrepit, delicate, effete, enervated, exhausted, faint, feeble, flaccid, flimsy, forceless, fragile, frail, hesitant, impuissant, infirm, insubstantial, irresolute, lackadaisical*, languid, languorous, limp, makeshift, out of gas, powerless, prostrate, puny, rickety, rocky, rotten, senile, shaky, sickly, sluggish, spent, spindly, supine, tender, torpid, uncertain, undependable, unsound, unsteady, unsubstantial, wasted, wavering, weakened, weakly, wobbly |
| Antonyms: | firm, potent, strong |
| Main Entry: | ineffectively |
| Part of Speech: | adverb |
| Definition: | inefficiently |
| Synonyms: | badly, inadequately, ineffectually, inefficaciously, poorly, weakly |