An "inactive account" refers to a user account that has not been accessed or used for a specific period, often set by the service provider. This inactivity can apply to various platforms, including social media, email, and banking services. When an account is inactive, it may be subject to certain policies, such as limited access or eventual deletion. Many companies, like Facebook or Google, monitor account activity to maintain security and manage resources. Users are typically notified before their accounts are marked as inactive, allowing them the opportunity to log in and reactivate their accounts if desired.