Adrift, Afloat, Afraid, Ailing, Alternating, Amorphous, Backsliding, Capricious, Carnal, Changeable, Cowardly, Crippled, Crumbling, Dangerous, Debilitated, Decrepit, Desultory, Disintegrating, Dizzy, Drained, Eccentric, Enervated, Enfeebled, Erratic, Erring, Exhausted, Failing, Faint, Fainthearted, Fallen, Faltering, Feeble, Feebleminded, Fickle, Fitful, Fleshly, Flickering, Flighty, Flimsy, Flitting, Fluctuating, Fragile, Frail, Freakish, Giddy, Hazardous, Ill, Impetuous, Impulsive, Impure, Inconsistent, Inconstant, Indecisive, Indisposed, Insecure, Insubstantial, Volatile, Wandering, Wanton, Wasted, Wavering, Wavy, Wayward, Weak, Weakened, Weakly, Whimsical, Withered, Wizened, Wobbling, Wobbly, Invalid, Invertebrate, Irregular, Irresolute, Irresponsible, Lame, Languishing, Lapsed, Mazy, Mercurial, Moody, Moribund, Pale, Palsied, Peaked, Peaky, Perilous, Pliable, Poor, Precarious, Prodigal, Provisional, Rambling, Recidivist, Reduced, Restless, Rickety, Risky, Rotten, Roving, Rusty, Senile, Shaky, Shapeless, Shifting, Shifty, Shuffling, Sick, Sickly, Slippery, Soft, Spasmodic, Spineless, Temporary, Tentative, Ticklish, Tottering, Treacherous, Unaccountable, Uncertain, Unclean, Uncontrolled, Undisciplined, Unfirm, Unfixed, Ungodly, Unhealthy, Unpredictable, Unreliable, Unrestrained, Unsettled, Unsound, Unstable, Unsteady, Unsubstantial, Unsure, Untrustworthy, Unwell, Vacillating, Vagrant, Variable