What does passcode mean?
A passcode is a secret sequence used to authorize access to a device, account, system, or restricted area. Unlike a password, which is often a longer word or phrase and may be entered with a full keyboard, a passcode is commonly numeric and designed for manual entry on a keypad or touchscreen. The term appears frequently in technical instructions, security settings, and user-interface prompts such as “Enter your passcode.” It is sometimes used loosely as a synonym for password, but the distinction can matter: a passcode may unlock a device locally, whereas a password commonly authenticates access to an online account or remote system. Passcodes are especially associated with smartphones, tablets, safes, ATMs, and access-control systems. Choosing a difficult-to-guess passcode and avoiding obvious choices such as repeated digits improves security.
nounA secret sequence of letters, numbers, or symbols used to authorize access to a system, account, device, or restricted area. A passcode is typically entered manually and may be used in addition to, or instead of, a password.
- A secret code used to gain access to an account, device, system, or restricted area.
"She entered her passcode to unlock the office computer."
"The ATM asked for a passcode before displaying the account balance."
"Set a passcode on your tablet to protect its contents."
The plural is used when referring to multiple individual codes.
"The company changed its passcodes after the security review."
A passcode can be the key to a device, but unlike a conventional password, it is often numeric and entered on a keypad.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does passcode come from?
“Passcode” is a compound formed from “pass” and “code,” both of which are of Germanic origin. “Pass” developed in medieval English from Old French passer, meaning “to pass,” while “code” comes through French from Latin codex, a book or tablet of laws. The compound became established as computing and security terminology expanded during the modern period.
How passcode is actually used
The term is common in instructions and user-interface text for devices, accounts, and security systems. It is often used for a short numeric code, although it may consist of letters, symbols, or a combination of these.
Easily confused with passcode
A passcode is a code entered to grant access, while a password is a secret word or phrase used to authenticate a user, though the terms are sometimes used interchangeably.