Many websites request you enter a “password”.

Taking the phrase apart, they’re asking for a “word” that allows you to “pass” into a secure area.

So why do they complain when you enter a “word”? They’re half-right: a single* dictionary word is easily guessed and easily hacked.
They should ask for a “passcode”.

We’ll leave the rest of this discussion to William Safire.

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* While a single dictionary word is insecure, current theories suggest “Thisisareallylongpasswordforawebsite” is more secure than “password123″. It’s also easier to remember: just pick a favorite phrase or joke. Don’t forget the punchline.