Habit may refer to:

• Habit (psychology), an acquired pattern of behavior that often occurs automatically
  • Drug addiction is sometimes referred to as "having a drug habit".
• Habituation, non-associative learning in which there is a progressive diminution of behavioral response probability with repetition of a stimulus
• An act done repeatedly, sometimes unconsciously (such as a tic), sometimes for leisure (such as a hobby)
• Crystal habit, as it applies to the typical appearance of minerals
• Religious habit, a distinctive dress worn by the members of a religious order
• Riding habit, riding clothes worn for hunting or for exhibition
• Habit (biology), the instinctive actions of animals and the natural tendencies of plants
• "Habit" (song), a song by Pearl Jam
• Habit evidence, term used in the law of evidence
• Habit (film), 1997 horror film

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