A Book Listing the Synonyms of Words

This page is the CodyCross answer for the clue below from Taking Care of Our Planet, Group 1580, Puzzle 1 (Endangered Species).

Question is: A Book Listing the Synonyms of Words

and the answer is: THESAURUS

Word Meaning:

THESAURUS — A publication that provides synonyms (and sometimes antonyms and other semantic relations) for the words of a given language.

Definitions from Wiktionary.

A Book Listing The Synonyms Of Words - Taking Care of Our Planet CodyCross Answers | CodyCross Solutions