painstaking Definition

scrupulous, careful, conscientious, laborious, meticulous, tedious, arduous, lengthy, delicate, thorough, rigorous, diligent, strenuous, cumbersome, tireless, protracted, unstinting, painful, relentless, herculean, hectic, thoughtful, detailed, tiresome, difficult, untiring, daunting, unremitting, hard, elaborate, slow, industrious, distressing, accurate, bitter, rough, onerous, burdensome, harsh, challenging, formidable, tough, uphill, hardworking, demanding, hardship, trying, hard-won, hard-working, in-depth, labour-intensive, laboured, labourious, time-consuming, exhaustive, methodical, assiduous, intricate, toilsome, fruitless, fastidious, wearisome, skillful, earnest, backbreaking, vigorous, precise, methodic, masterly, punctilious, tortuous, intensive, torturous, exhausting, moliminous, exacting, consuming, grueling, sisyphean, complicated, agonizing, toilful, overcareful, scrutinous, excruciating, slapdash, extensive, overscrupulous, iterative, haphazard, workful, fitful, intense, trial and error, laborless, artful, labyrinthine, messy, wrenching, labor intensive,