B1[C or U]something that you do often and regularly, sometimes without knowing that you are doing it: I always buy the same brand of toothpaste just out of(= because of) habit.I'm trying not to get into(= start) the habit of always having biscuits with my coffee.I used to swim twice a week, but I seem to have got out of(= ended) the habit recently.I was taught to drive by my boyfriend and I'm afraid I've picked up(= caught) some of his bad habits.His eating habits are extraordinary.I'm trying to get him to break(= end intentionally) the habit of switching on the TV when he comes home at night.I don't mind being woken up once or twice in the middle of the night by my flatmate so long as she doesn't make a habit of it(= do it frequently).I'm not really in the habit of looking at (= I don't usually look at) other people's clothes, but even I noticed that awful suit!Habitual behaviourB2[C]something annoying that someone often does: She has a habit of finishing off other people's sentences.Habitual behaviourB2[C]a strong physical need to keep having a particular drug: a cocaine habitfigurativehumorousI'm afraid I've got a chocolate habit.Drug addictionAddiction