Intensely Competitive, Like Hungry Canines

This page is the CodyCross answer for the clue below from California, Group 1149, Puzzle 4 (The Gold Rush).

Question is: Intensely Competitive, Like Hungry Canines

and the answer is: DOGEATDOG

Word Meaning:

DOG EAT DOG — (informal, idiomatic) Ruthlessly acquisitive or competitive; of a business or other set of circumstances, trying to succeed at the expense of other people.

Definitions from Wiktionary.