1. active with regard to a particular religion or belief system
⇒ a practising Catholic, ⇒ He's a Catholic, isn't he? – Yes, but not practising., ⇒ All employees must be practising Christians., ⇒ He has been a practising Pagan for many years.
2. active in a particular profession
⇒ An art historian and collector, he was also a practising architect., ⇒ a practising dentist, ⇒ a practising doctor
3. active with regard to a particular way of life or condition
⇒ He is a practising vegetarian, but just sometimes can be persuaded into a juicy steak., ⇒ a practising homosexual, ⇒ She is a practising bisexual., ⇒ He is a practising alcoholic.
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