Regarding this, how do you delete someone on WhatsApp without them knowing?
First go to Chats in WhatsApp and click New Chat icon on the bottom right (green icon). Then click on the 3 dots on the top right in the select contact window. Now select the Contacts option. This will take to your contacts to phone, now press and hold on the contact you want to delete.
Also Know, does the other person see when you delete a conversation on WhatsApp? On WhatsApp, if you clear a chat, recipient will not receive a notification about his/her messages being deleted. Moreover, clearing a chat deletes the conversation temporarily (in the sense that it can be restored from the Chat backup) from your device only.
Subsequently, one may also ask, can you tell if someone has deleted your WhatsApp conversation?
WhatsApp does not show if a message gets deleted or not. If a conversation is deleted without reading the messages, they will never turn blue at all. Once the person replies to you, you will get their message but the sent messages that have been deleted will remain white.
Can someone message you on WhatsApp If you delete their number?
Whether you delete the contact or just the chat thread, WhatsApp doesn't notify the other person about it. However, when you delete the contact and your privacy settings for last seen, about, and status are set to Contacts only, they might get suspicious as these things will go missing for them.