Meaning of “habit” - Learner’s Dictionary

habit

noun uk us /ˈhæbɪt/
REGULAR ACTIVITY [ C, U ]

B1 something that you do regularly, almost without thinking about it:

He's just eating out of habit - he's not really hungry.
be in/get into the habit of doing sth

to be used/get used to doing something regularly:

She's not in the habit of going out every night.
We don't want the children to get into the habit of watching a lot of TV.
BAD ACTIVITY [ C, U ]

B2 something that you often do that is bad for your health or is annoying:

He has some really nasty habits.
We offer help to alcoholics who want to kick the habit.
CLOTHING [ C ]

a long, loose piece of clothing worn by some religious groups:

a monk's habit

(Definition of “habit” from the Cambridge Learner’s Dictionary © Cambridge University Press)