inveterate Definition

habitual, chronic, addicted, confirmed, long-standing, incorrigible, ardent, avid, indefatigable, unrepentant, diehard, compulsive, obstinate, assiduous, unregenerate, staunch, obsessive, voracious, implacable, cantankerous, obdurate, fervent, longtime, zealous, lifelong, tireless, irrepressible, insatiable, fanatical, avowed, unabashed, unreconstructed, intrepid, wily, irascible, unashamed, opportunist, itinerant, curmudgeonly, nonpareil, octogenarian, philistine, effete, astute, ornery, keenest, eccentric, archetypal, fastidious, avaricious, absentminded, addlepated, canniest, dyspeptic, doughty, erudite, egotistical, redoubtable, troglodytic, incautious, importunate, unquestioning, shameless, choleric, garrulous, francophile, embittered, undiscerning, craftiest, recidivist, idealist, insomniac, overenthusiastic, insufferable, overzealous, sesquipedalian, voluble, rabid, notorious, nerdish, occasional, unwitting, amiable, clubbable, rapacious, erstwhile, chinless, devout, rascally, ungifted, obsequious, unapologetic, deluded, unthinking, softheaded, omnivorous, captious, acerbic, fussiest, swinish,