Person Who Can't Keep a Secret
This page is the CodyCross answer for the clue below from Resorts, Group 560, Puzzle 4 (Cozumel and Cancun).
Question is: Person Who Can't Keep a Secret
and the answer is: LOUDMOUTH
Word Meaning:
LOUDMOUTH — (slang, derogatory) One who talks too much or too loudly, especially in a boastful or self-important manner.
Definitions from Wiktionary.