penible Definition

painstaking, painstakingness, painable, laborious, diligent, sedulity, assiduous, meticulous, toilful, moliminous, arduous, indiligent, overcareful, workful, for dear life, scrupulous, laborless, effortfulness, tireless, strenuous, scrutinous, toilsomely, overscrupulous, travailous, weariless, industrious, infatigable, tedious, intentive, thorough, painful, methodical, indefatigableness, earnestful, burdensomeness, rigorous, untiring, fastidious, overrigorous, conscientious, in earnest, plough on, zealous, dyschezia, studious, excruciate, tuggingly, diligence, careful, longspun, observingly, longanimous, sedulous, hardworking, overtoil, miszealous, unremitting, unweary, persevere, relentless, agonize, argute, exhaustive, overscrupulousness, indevote, skillful, inexertion, onerousness, unpassionate, skilful, uneath, earnest, spoffish, heedy, wearisome, exertive, unrelenting, elucubrate, weasel out, tiresome, plug away, difficult, resolute, perseverant, renitent, trial and error, tormentful, exertion, gruelling, operose, dilatorily, leptology, tenacy, intentiveness, cledgy, attentive, impersuadable, miseasy, weariable, intentively,