protracted, brief, prolonged, arduous, tortuous, exhaustive, yearlong, laborious, tedious, interminable, extensive, long, painstaking, monthlong, torturous, grueling, exhausting, winded, rancorous, convoluted, painful, contentious, acrimonious, agonizing, longish, costly, thorough, rigorous, hourlong, detailed, tumultuous, wordy, complicated, intense, subsequent, cumbersome, voluminous, intensive, endless, frustrating, fitful, digressive, shorter, excruciating, vigorous, messy, abbreviated, harrowing, ongoing, weeklong, formal, circuitous, cursory, wrenching, perfunctory, fruitless, longwinded, shortened, succinct, stormy, hectic, extended, unfruitful, testy, consuming, strenuous, tempestuous, complete, periodic, desultory, unilluminating, daylong, tiresome, meticulous, enduring, weighty, impassioned, brutal, fractious, methodical, daunting, ponderous, torrid, gruelling, recent, uneventful, pointless, prolix, confusing, final, rocky, frenetic, dizzying, unproductive, thoughtful, continual, terse, tense, quick, following, fruitful, stressful, lengthier, lengthened, concise, indepth, briefer, briefest, introductory, depth, enlightening

at length, contemplation, decide, dilation, in the end, in the long run, lecture, lengthily, musing, number cruncher, number crunching, palaver, reflection, reflexion, revenant, rumination, speech, stonewaller, talking to, thoughtfulness

drawn-out, extended, long, prolonged, protracted