Nowadays, most people use password managers (hopefully). However, there are still some passwords that you need to memorize, like master password (for a password manager), phone lock, wifi password, etc.
Security wise, can passphrase reach the strength of a good password without getting so long that it defeats the purpose of even using it?
Bitwarden can generate password phrases. Some other password managers too. In the occasion you have to type out your password a password phrase is a lot easier.