habit habit /ˈhæbət/

noun

1. () An established custom  ( wont , habit )
   an established custom
    It was their habit to dine at 7 every evening
   it was their habit to dine at 7 every evening
   
2. () (psychology) an automatic pattern of behavior in reaction to a specific situation; may be inherited or acquired through frequent repetition  ( use , habit )
   (psychology) an automatic pattern of behavior in reaction to a specific situation; may be inherited or acquired through frequent repetition
    Owls have nocturnal habits
   owls have nocturnal habits
    She had a habit twirling the ends of her hair
   she had a habit twirling the ends of her hair
    Long use had hardened him to it
   long use had hardened him to it
   
3. () (religion) a distinctive attire worn by a member of a religious order  ( habit )
   (religion) a distinctive attire worn by a member of a religious order
    The nun wore her traditional habit to the evening prayer.
   The nun wore her traditional habit to the evening prayer.
   
   
4. Excessive use of drugs  ( drug abuse , habit , substance abuse )
   excessive use of drugs
   
5. Attire that is typically worn by a horseback rider (especially a woman's attire)  ( habit , riding habit )
   attire that is typically worn by a horseback rider (especially a woman's attire)
   
   
6. The general form or mode of growth (especially of a plant or crystal)  ( habit )
   the general form or mode of growth (especially of a plant or crystal)
    A shrub of spreading habit
   a shrub of spreading habit
   

verb

1. Put a habit on  ( habit )
   put a habit on