Just One Will Spoil the Bunch
This page is the CodyCross answer for the clue below from Canada, Group 1276, Puzzle 3 (Sir Frederick Banting).
Question is: Just One Will Spoil the Bunch
and the answer is: BADAPPLE
Word Meaning:
BAD APPLE — (idiomatic, often in the plural) A person who is not wholesome, honest, or trustworthy, especially one who has an adverse influence on others.
Definitions from Wiktionary.