definition of habit
A habit is something that a person does often or regularly. He had a nervous habit of biting his nails. Try to get out of the habit of adding unnecessary salt in cooking. 2. 'custom'. A custom is something that people in a society do at a particular time of year or in a particular situation. habit is something that a person does often or regularly. He had a nervous habit of biting his nails. Try to get out of the habit of adding unnecessary salt in cooking. 2. 'custom'. A custom is something that people in a society do at a particular time of year or in a particular situation.