can someone tell if you block them on messenger?
4350
If you are blocked, you'll see a message in the chat box (where you just typed) that says “This person isn't available right now,” they have either blocked your messages, deactivated their Facebook account, or completely blocked you on Facebook.
17575
When you block someone: They'll no longer be able to contact you (ex: send you messages, call you) in Messenger or in Facebook chat. You'll also no longer be able to contact them in Messenger or in Facebook chat.
24168
If you block someone on Facebook or messenger, you both will not be able to each others activities and also not be able to send messages. Old conversation will be still in inbox but name of that person will not be clickable.
124844
If you've blocked someone, you'll no longer see messages from them, including any messages from bots that they try to add to a chat with you. When a person who you've blocked tries to message you, they won't know they've been blocked. Their message to you won't ever be delivered.
17659
When you block someone on Facebook, they will no longer be able to see your messages, profile, or past comments you've made whether it's on their posts or someone else's. ... It won't directly say on Facebook messenger that you've blocked them, but it will say the person is “unavailable” immediately after.
1128491
Now, You can either block the messages or the person itself. If someone has blocked you on Facebook then you will not be able to see his/her profile nor you could see his/her personal information. ... If you and the person you block are in a group conversation together, you'll be notified before you enter the conversation.
1276531
Probably your friend has deactivated his/her account but still using Messenger. Anyone can deactivated his/her Facebook account and keep using Messenger. To test the Blocking scenario, try to send a message to your friend, if it didn't popup a notification that you are blocked to send message, then you are not blocked.
264440
When you block someone, that user won't be sent any alert or notification that you did so. If they try to message you, they'll receive a generic error message which suggests that they're only accepting messages from Friends.
609947
If the message sends as normal, your friend hasn't blocked you on Messenger. But, if you're told "Message Not Sent" and that "This person isn't receiving messages at this time" this means either: You've been blocked on Messenger but not Facebook. You've been blocked on Facebook itself.
112971
How does blocking work in Messenger? When you block someone, they'll no longer be able to contact you (example: send you messages, call you) on Messenger or on Facebook chat. You can also ignore a conversation, turn off notifications for a conversation, or delete a conversation.
774721
If you have been blocked, instead of getting the "message successfully sent" page you will get a message that reads "You have been blocked by this user. ... On Plenty of Fish, you can see their profile if you search them by name, but you won't be able to message them.
246500
You cannot call someone that has blocked you on messenger. However, even if the person has blocked you, there is a way of sending messages. ... By using this, you can still message a person that as blocked you. I'm not 100% certain this 'loophole' is still available, but it worked a few months ago when I tried it.
21546
If you enter their name in the search box and they no longer appear, though, that's a sign that person is blocking you. You can't send the person messages in Facebook Messenger. If you were previously friends and try to send a message, you will see an error message that says the user is unavailable.
297928
It's at the bottom of the screen. Press ↵ Enter or ⏎ Return . If you are blocked, you'll see a message in the chat box (where you just typed) that says “This person isn't available right now,” they have either blocked your messages, deactivated their Facebook account, or completely blocked you on Facebook.
108337
They can still see your Facebook timeline but they can't send you a message on messenger. ... On the other hand, if you block someone on Facebook, you also unfriend them and they won't see any post or send you messages. They will not be notified that you blocked them.
365738
Open the Facebook app and conduct a search for your friend's name. If they appear in the search results after typing their name, then they might have blocked you on Facebook Messenger, but not on Facebook. But if your friend's account doesn't appear, this doesn't necessarily mean they've also blocked you on Facebook.
648068
What Happens When You Block Someone. The person you have blocked won't get a notification telling them you did it. Also, they will still be able to look at your profile and they will even see if you visit theirs. Blocking them only stops them from messaging you again.