Meanings
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1
noun
A secret series of characters you type to log in to a computer, account, or system.
A strong password mixes letters, numbers, and symbols.
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2
noun
A secret word or phrase known only to a certain group, used to gain entry.
The guard let no one pass without the correct password.
Thesaurus
Etymology
From pass + word. The sentry-passing sense predates the cryptographic sense and was its inspiration.