diligent, scrupulous, fastidious, meticulous, zealous, tireless, indefatigable, punctilious, conscientious, obsessive, dutiful, adroit, astute, canny, inveterate, ardent, unstinting, obsequious, skillful, untiring, painstaking, pernickety, adept, stakhanovite, circumspect, unswerving, admirable, pedantic, diffident, tactful, sycophantic, sedulous, shrewd, doughty, fulsome, industrious, unimpeachable, vigorous, fervent, compulsive, slavish, overzealous, exacting, attentive, laborious, parsimonious, tedious, studious, erudite, keenest, insistent, nonpareil, prodigious, unforthcoming, fanatical, intrepid, uncritical, pious, meretricious, oleaginous, skilful, eager beaver, obsessional, solicitous, peripatetic, absentminded, judicious, maladroit, careful, observant, saintly, redoubtable, devout, obdurate, impeccable, voluble, waspish, clubbable, dauntless, harold nicolson, uxorious, wily, forthright, parti pris, perceptive, autodidactic, adulatory, monkish, abstemious, eloquent, effusive, illustrious, sincere, peerless, monomaniacal, compendious, dilatory, anglophile, avowed, maidenly, delphic, sagacious, persevering, unwearied, unremitted, unremitting, unceasing, unwearying, methodical, disinterested, earnest

diligent, sedulous