avid, ardent, incorrigible, avowed, indefatigable, unabashed, unreconstructed, intrepid, unregenerate, compulsive, diehard, habitual, assiduous, wily, unrepentant, irascible, bon vivant, iconoclast, unashamed, opportunist, obsessive, itinerant, curmudgeonly, nonpareil, octogenarian, philistine, effete, astute, staunch, ornery, keenest, eccentric, archetypal, fastidious, avaricious, absentminded, insatiable, addlepated, empiricist, voracious, canniest, dyspeptic, skirt chaser, doughty, omnivore, erudite, egotistical, redoubtable, fervent, fanatical, troglodytic, russophobe, incautious, importunate, unquestioning, shameless, choleric, garrulous, cantankerous, francophile, embittered, zealous, undiscerning, craftiest, recidivist, longtime, idealist, insomniac, eager beaver, overenthusiastic, insufferable, overzealous, irrepressible, sesquipedalian, voluble, rabid, notorious, implacable, nerdish, occasional, unwitting, amiable, clubbable, occupational hazard, rapacious, erstwhile, chinless, devout, rascally, ungifted, obsequious, unapologetic, deluded, unthinking, softheaded, omnivorous, lifelong, captious, acerbic, tireless, obstinate, lotus eater, bear, confessional, doubt, doubting, evil, real, receding, regret, suffice, wish, 3s, 8s, admiring, anybody, anyone, arid, authoritative, be, believe, bit, deeprooted, rancorous, rooted, unconquerable, ineradicable, unreasoning, deepseated, incurable, ingrained, deadliest, invincible, unrelenting, lurking, pernicious, pertinacious, virulent, baneful

changer

addicted, chronic, confirmed, habitual