Delete Gmail Account,Delete profile
If you only wish to delete Gmail account, not all the Google Accounts, then Sign in to “Gmail” with the account which you would like to delete.
Click on your account icon (your picture), from the pop up click on “Account”.
Now, scroll down to the end and you will see different options to delete specific Google services under the heading “Account management”. To delete Gmail, you will have to click on “Delete products”.
On the next page, click on “Remove Gmail permanently” located under the heading “Delete a Product”.
Read everything carefully on the next page, and after that check the checkbox below, confirming you are ready to delete account permanently. There will be two fields below, In the first field, enter an external email address. An external email address is the address of another email service provider besides Gmail. Here you will have to provide your email address from another email service, such as Outlook or Yahoo. Your another Gmail address will not work here, you need to either create a new email with another email service or use already in use address.
In the below field, you will have to enter a password. Enter the password of your current Gmail account that you are about to delete, not the password of your external account that you provided in the above field. Click on “REMOVE GMAIL” and you will be sent a removal confirmation message on your external email address.
Access your external email address and you should have an email from Google in your Inbox. Open it, and click on the link inside it to delete your account permanently. It will take some days to delete your account permanently.
To access other Google services, you will have to enter the external email address.