pass ‧ word /ˈpɑːswɜːd $ ˈpæswɜːrd/ BrE AmE noun [countable]
1 . a secret group of letters or numbers that you must type into a computer before you can use a system or program:
Enter your password, then click on the ‘proceed’ icon.
Give your user name and password.
2 . a secret word or phrase that someone has to say before they are allowed to enter a place such as a military camp