Requiring a Lot of Energy and Exertion
This page is the CodyCross answer for the clue below from Underground Worlds, Group 2173, Puzzle 4 (Turquoise and Moonstone).
Question is: Requiring a Lot of Energy and Exertion
and the answer is: STRENUOUS
Word Meaning:
STRENUOUS — Having great vigour or energy; forceful.
Definitions from Wiktionary.