One Is Said to Bark Up It If Searching in Vain

This page is the CodyCross answer for the clue below from Taking Care of Our Planet, Group 1561, Puzzle 4 (Avoid Plastic).

Question is: One Is Said to Bark Up It If Searching in Vain

and the answer is: WRONGTREE

Word Meaning:

WRONG — Incorrect or untrue.

Definitions from Wiktionary.

One Is Said To Bark Up It If Searching In Vain - Taking Care of Our Planet CodyCross Answers | CodyCross Solutions