THESAURUS
Debility
advanced age, advanced years, adynamia, age of retirement, an incurable disease, anemia, anility, atony, blah feeling, bloodlessness, brain fag, cachexia, cachexy, caducity, chronic ill health, cowardice, debilitation, decline of life, declining years, decrepitude, delicacy, delicate health, disease, dotage, dullness, eld, elderliness, enervation, enfeeblement, etiolation, exhaustion, eyestrain, faintness, fatigue, feebleness, flabbiness, flaccidity, fragility, frailty, goneness, green old age, hale old age, healthlessness, heart strain, hoary age, hypochondria, hypochondriasis, ill health, impotence, infirm old age, infirmity, infirmity of age, invalidism, invalidity, jadedness, languishing, languishment, languor, lassitude, listlessness, longevity, malaise, mental fatigue, mental strain, morbidity, morbidness, old age, oldness, overstrain, overtiredness, peakedness, pensionable age, poor health, prostration, ricketiness, ripe old age, second childhood, senectitude, senility, senior citizenship, sickliness, sleepiness, sluggishness, softness, stance fatigue, strain, strengthlessness, superannuation, the downward slope, the golden years, tiredness, unhealthiness, unsoundness, unwholesomeness, vale of years, valetudinarianism, wasting, weakliness, weakness, wearifulness, weariness, white hairs
ROGET THESAURUS
Debility
Weakness
N
weakness, debility, atony, relaxation, languor, enervation, impotence, infirmity, effeminacy, feminality, fragility, flaccidity, inactivity, anaemia, bloodlessness, deficiency of blood, poverty of blood, declension of strength, loss of strength, failure of strength, delicacy, invalidation, decrepitude, asthenia, adynamy, cachexy, cachexia, sprain, strain, reed, thread, rope of sand, house of cards, softling, weakling, infant, youth, weak, feeble, debile, impotent, relaxed, unnerved sapless, strengthless, powerless, weakly, unstrung, flaccid, adynamic, asthenic, nervous, soft, effeminate, feminate, womanly, frail, fragile, shattery, flimsy, unsubstantial, insubstantial, gimcrack, gingerbread, rickety, creaky, creaking, cranky, craichy, drooping, tottering, broken, lame, withered, shattered, shaken, crazy, shaky, palsied, decrepit, languid, poor, infirm, faint, faintish, sickly, dull, slack, evanid, spent, short-winded, effete, weather-beaten, decayed, rotten, worn, seedy, languishing, wasted, washy, laid low, pulled down, the worse for wear, unstrengthened, unsupported, unaided, unassisted, aidless, defenseless, cantilevered (support), on its last legs, weak as a child, weak as a baby, weak as a chicken, weak as a cat, weak as a rat, weak as water, weak as water gruel, weak as gingerbread, weak as milk and water, colorless, non sum qualis eram.