sparecode

noun

UK /ˈspeə.kəʊd/

US /ˈsper.koʊd/

Extra secret code you keep just in case you need it.

He wrote a sparecode on a card and hid it in his drawer.

SYNONYMS

backup code reserve code spare key fallback code

RELATED WORDS

password passcode backup security code recovery code

OTHER MEANINGS

2. A second set of computer instructions kept ready in case the first one fails.

The engineer loaded the sparecode when the main program crashed.

3. An unused or leftover line of programming code kept for later.

She saved the sparecode in a separate file for the next update.

4. A hidden extra code used to unlock something when the usual one is lost.

The game gives you a sparecode if you forget your login.