INVETERATE
- confirmed in habit, feeling, etc.
- firmly established by long persistence [adj INVETERATELY]
- Inveterate is a formal word used to describe someone who is always or often doing something specified. For instance, a person could be an inveterate liar, or inveterate prankster. Inveterate can also mean "firmly established by long persistence," as in "an inveterate tendency to overlook the obvious."
- settled or confirmed in a habit, practice, feeling, or the like.