spareanswer
nounUK /ˌspeərˈɑːnsə/
US /ˌsperˈænsər/
An extra answer you keep ready in case your first one is wrong.
She wrote a spareanswer on the back of her test just in case.
RELATED WORDS
OTHER MEANINGS
2. A second response prepared in advance for a quiz or game.
He kept a spareanswer ready for the trivia round.
3. An additional reply used when the first one is not accepted.
The student gave a spareanswer after the teacher said try again.
4. A hidden or saved answer kept for later use.
The team stored a spareanswer in case the first plan failed.