Synonyms and related words :
Adamic, Adamite, Adamitic, abulic, afraid, ailing, airy, anthropocentric, anthropological, attenuate, attenuated, backsliding, boyish, breakable, brittle, brittle as glass, cachectic, capricious, carnal, changeable, cheap-jack, cobwebby, consumptive, corruptible, cowardly, crackable, crippled, crisp, crispy, crumbly, crushable, dainty, debilitated, deciduous, decrepit, delicate, delicately weak, diaphanous, diluted, drained, dying, earthy, effeminate, enervated, ephemeral, erring, ethereal, evanescent, exhausted, fading, failing, faint, fainthearted, fallen, feeble, feebleminded, fickle, fine, fine-drawn, finespun, finite, fissile, fleeting, fleshly, flimsy, flitting, fly-by-night, flying, foible, fracturable, fragile, frailty, frangible, friable, fugacious, fugitive, gauzy, gimcrack, gimcracky, girlish, gossamer, gossamery, gracile, healthless, hominal, homocentric, human, humanistic, ill, impermanent, impetuous, impulsive, impure, in poor health, inconstant, infirm, insubstantial, invalid, invertebrate, jerry, jerry-built, lacerable, lacy, languishing, lapsed, light, lightweight, man-centered, misty, momentary, moribund, mortal, mutable, namby-pamby, nondurable, nonpermanent, of easy virtue, only human, pale, papery, passing, pasteboardy, peaked, peaky, peccable, perishable, petty, phthisic, pliable, poorly, postlapsarian, prodigal, puny, rare, rarefied, recidivist, recidivistic, reduced, reduced in health, run-down, scissile, scrawny, shatterable, shattery, shivery, short-lived, sick, sickly, sissified, skinny, sleazy, slender, slenderish, slight, slight-made, slim, slimmish, slinky, small, spineless, splintery, subtle, svelte, sylphlike, tacky, tellurian, temporal, temporary, tenuous, thin, thin-bodied, thin-set, thin-spun, thinnish, threadlike, transient, transitive, transitory, unangelic, unchaste, unclean, undurable, unenduring, ungodly, ungood, unhealthy, unrighteous, unsaintly, unsound, unstable, unsubstantial, unvirtuous, unwell, vague, valetudinarian, valetudinary, vice, virtueless, volatile, vulnerable, wanton, wasp-waisted, wasting away, watered, watered-down, watery, wayward, weak, weak-kneed, weak-minded, weak-willed, weakened, weakly, willowy, wiredrawn, wispy, with low resistance, womanish