Have you ever found yourself in a situation where messages to a friend suddenly remain undelivered on WhatsApp, leaving you questioning if you've been blocked? The uncertainty can be frustrating, especially when a disagreement or misunderstanding precedes the radio silence. While there's no definitive method to confirm a block on WhatsApp, certain indicators can prove helpful.How to find out if someone has blocked you on WhatsAppNavigating the nuances of WhatsApp's blocking feature can be a puzzle, leaving users wondering if their messages are simply undelivered or if they've been intentionally blocked. Here are key indicators that suggest you may have been blocked by a contact on WhatsApp:'Last Seen' status not visibleIndicator: Inability to view the contact's 'Last Seen' status.Explanation: WhatsApp hides 'Last Seen' from blocked contacts, regardless of privacy settings.Can’t see WhatsApp bioIndicator: Unavailability of the contact's WhatsApp bio.Explanation: Blocked contacts have restricted access to the contact's bio information.Inaccessible WhatsApp statusIndicator: Unable to view the contact's WhatsApp status updates.Explanation: Blocked users are excluded from viewing the contact's status.Hidden profile pictureIndicator: Inability to view the contact's profile picture.Explanation: WhatsApp conceals both existing and updated profile pictures from blocked contacts.Undelivered messagesIndicator: Messages remain stuck with a single grey tick (sent but not delivered).Explanation: Blocked contacts do not receive message deliveries, leading to the absence of double grey ticks.Blocked voice and video callsIndicator: Unable to initiate voice or video calls to the contact.Explanation: Blocked contacts experience call restrictions on WhatsApp.Group chat limitationsIndicator: Inability to add the contact to a WhatsApp group.Explanation: Group additions are restricted for blocked contacts.Also read | What is the ideal AC temperature to save electricity bill?