mannerism, custom, way, practice, charateristic, tendency, quirk, propensity, addiction, dependence, compulsion
Dependence is close, as in "dependence on alcohol." Another word for addiction would be a bad habit, some addictions turn into addictions because of obsessive bad habits.
repair
This bad behavior is being a habit.
A vice is simply a bad habit.
vice
An antonym for habit, is not doing it. Also called, deviation.
Her bad Habit is Bitting her nails.
The best way to change a bad habit is to find something to do in place of the bad habit.
her word for bad food
Her bad habit was biting her nails.
Everytime you do it think this is a bad habit I should stop.
One Bad Habit was created in 1980.