forceful, powerful, strong

sluggish, strong, lackluster, anemic, feeble, shaky, tepid, soft, dismal, robust, faltering, fragile, poor, buoyant, lousy, subpar, depressed, weakish, uninspiring, choppy, uneven, unimpressive, downbeat, solid, resilient, patchy, listless, indecisive, lethargic, firmer, disappointing, stagnant, gloomy, wobbly, crimped, mediocre, subdued, bullish, iffy, woeful, muted, cautious, thin, directionless, tenuous, sickly, unsteady, unstable, abysmal, inconsistent, bearish, low, bleak, undiversified, anaemic, skittish, tight, flaccid, slack, bad, ineffective, surging, muddled, crummy, resurgent, spotty, unfavorable, erratic, upbeat, unsettled, sharp, inept, jittery, horrid, volatile, lax, timid, lukewarm, battered, slow, tough, negative, stiff, overextended, vulnerable, frail, fragmented, laggard, ineffectual, irresolute, benign, flat, unconvincing, persistent, pitiful, debilitated, dour, stong, steady, glum, uninspired, uncompetitive, ankles, chest, claret, hindquarters, hock, inside, knees, mortar, puffs, straw, swirl, wash, washes, ale, ash, aud, autumnal, band, beards, bodied, weaker, weakest, stronger, weakened, enfeebled, ous, strongest, feebler, oscillatory, unbalanced, corrupted, powerful, repulsive, tive, touchy

., air-tight, airtight, all-or-none law, apodiform bird, association, asthenic type, barbet, carbonic acid, cheep, citric acid, colorless, colourless, cyanamid, cyanamide, debilitate, debilitated, debility, doormat, drain, drooping, ectomorphy, electrical skin response, electrodermal response, electromagnetic interaction, emaciate, enfeeble, enfeebled, estrone, estronol, etiolate, failing, faint, falter, feebleness, fere phenomenon, flagging, flesh, flimsily, frail, frailness, frailty, galvanic skin response, gravitational interaction, gravitons, gsr, hydrocyanic acid, hydrofluoric acid, hypochlorous acid, hyponitrous acid, impotence, impotency, infirm, infirmity, intermediate vector bosons, invirase, lamely, lax, lepton, light, light-headed, lightheaded, macerate, magnetic pyrites, methyl orange, namby-pamby, nerveless, new world warbler, oestrone, ostwald's theory of indicators, overflow incontinence, palsied, pass, peep, peg, phenolphthalein, play, powerlessness, prussic acid, psychogalvanic response, pyrrhotine, pyrrhotite, saquinavir, seedy, semitrance, shimmer, softie, softy, spineless, stick, strawman, straw man, swooning, syncopate, syncopated, syncopation, tarchanoff phenomenon, theelin, theory of indicators, titanic acid, tweet, twirp, underbelly, upstairs, valetudinarian, van der waal's forces, vine, vital sign, vulture, wanly, warlord, waste, waver, weak-kneed, weakened, weakling, weakly, weakness, willing, wimpish, wimpy, wishy-washy, wisplike, wispy, wood warbler, wuss

adynamic, asthenic, breakaway, decrepit, dilute, diluted, effeminate, enervated, engulfed, fallible, flimsy, flooded, forceless, helpless, human, imperfect, impotent, incapacitated, inundated, jerry-built, lame, limp, overcome, overpowered, overwhelmed, pale, pallid, powerless, puny, regular, sapless, shoddy, slight, swamped, unaccented, unforceful, unstressed, wan, washy, watery