He was an inveterate gambler, often seen at the casino late into the night.
She was known as an inveterate liar, always fabricating stories to impress others.
Despite facing numerous setbacks, he remained an inveterate optimist, always believing that things would get better.
Even after multiple attempts to quit, he remained an inveterate smoker, unable to kick the habit.
She was an inveterate traveler, always planning her next adventure to a far-off destination.