常じょう用よう癖へきじ字FuriganaMeanings1nounaddiction; habitual useRefers to a strong habit or addiction, often to a substance or behavior. The term is somewhat formal and may appear in medical or psychological contexts.常じょう用よう癖へきのある薬やく物ぶつは、医い師しの指し導どうのもとで減へらす必ひつ要ようがある。Drugs that cause addiction must be reduced under a doctor's guidance.