Inveterate

прилагательное 1) долгий, продолжительный 2) укоренившийся, закоснелый, застарелый; закоренелый Например: inveterate smoker — заядлый курильщик inveterate liar — враль 3) злой, озлобленный, жестокий Синоним(ы): embittered, malignant, virulent

Большой англо-русский словарь

Inveterate

adjective Etymology: Middle English, from Latin inveteratus, from past participle of inveterare to age (v.t.), from in- + veter-, vetus old — more at wether 1. firmly established by long persistence Example: the inveterate tendency to overlook the obvious 2. confirmed in a habit; habitual Example: an inveterate liarinveterately adverb Synonyms: inveterate, confirmed, chronic mean firmly established. inveterate applies to a habit, attitude or feeling of such long existence as to be practically ineradicable or unalterable Example: an inveterate smoker. confirmed implies a growing stronger and firmer with time so as to resist change or reform Example: a confirmed bachelor. chronic suggests something that is persistent or endlessly recurrent and troublesome Example: a chronic complainer.

Merriam-Webster's Collegiate Dictionary