patchy, tepid, sputtered, desultory, disjointed, wobbly, faltering, sporadic, slow, uneven, shaky, torpid, rocky, stalled, tortuous, lackluster, turgid, laborious, bumpy, erratic, listless, dreary, sluggish, grudging, torrid, dispiriting, wearisome, muddled, restless, tentative, unconvincing, lethargic, exasperating, intermittent, unsteady, dogged, tumultuous, spotty, chaotic, eventless, feeble, muted, nightmarish, nervy, earnest, interminable, lengthy, unsatisfying, painstaking, languid, frustrating, fleeting, limp, haphazard, tempestuous, miserable, uneventful, languorous, halfhearted, uninspiring, dismal, dizzying, messy, agonizing, protracted, soporific, sparse, tedious, unspectacular, fractious, arduous, maddening, ropey, stormy, frantic, stumbling, overdetermined, slumberous, frenetic, dim, slapdash, scant, ponderous, torturous, unharmonious, hazy, aimless, enervating, wretched, leaden, weary, lukewarm, dour, dull, woeful, stunted, painful, tiresome, uninspired, gradual, passionless, sloppy, gusty, directionless, feverish, invigorating, enlivening, fiercer, jerky, noontide, spasmodic, ceaseless, changeful, crepuscular, dreamy, furtive

doze, drowse, fitfully, interrupted, shimmer

broken, interrupted, off-and-on, spasmodic, sporadic