There are several synonyms for the term "expired subscription". Some common substitutes include "lapsed subscription", "terminated subscription", "inactive subscription", and "ended subscription". These terms all refer to a subscription that has reached the end of its billing cycle and is no longer in effect. Other variations may include "non-renewed subscription", "outdated subscription", or even "canceled subscription". It is important for businesses to communicate with their customers clearly and ensure they understand the terms of their subscription, including when it will expire or if it will automatically renew. Using clear and concise language can prevent confusion and maintain customer satisfaction.