ضعیف (صفت)
light, lean, anemic, weak, faint, weakly, feeble, flagging, anile, asthenic, slack, atonic, infirm, fragile, pusillanimous, sappy, puny, feeblish, languid, shaky, rickety, languorous, weakish, wonky, powerless
سست (صفت)
doddered, effeminate, flaggy, weak, feeble, torpid, asthenic, loose, frail, flimsy, slack, atonic, slow, insecure, sleazy, floppy, lax, idle, lazy, indolent, slothful, groggy, remiss, washy, wishy-washy, inactive, slumberous, slumbery, feckless, flabby, flaccid, languid, slumbrous, lethargic, shaky, rickety, rattletrap, wonky, supine, tottery
نحیف (صفت)
slight, gaunt, lean, feeble, thin, frail, scrimp, spare, skimp, scant, meager, haggard, skimpy, lank, wonky, slimpsy, slimsy
بی ثبات (صفت)
fickle, variable, shifty, unstable, shifting, mutable, instable, impermanent, slippery, slippy, inconstant, wonky
لرزان (صفت)
unstable, shaky, wobbly, unsteady, palsied, vibrant, wonky, quakerish, shivery, trepid, shuddery, tottery, trembly
افتادنی (صفت)
wonky, top-heavy