Difficult or Shaky Position at Risk of Sinking

This page is the CodyCross answer for the clue below from Health and Fitness, Group 2121, Puzzle 1 (Warming Up).

Question is: Difficult or Shaky Position at Risk of Sinking

and the answer is: QUAGMIRE

Word Meaning:

QUAGMIRE — A swampy, soggy area of ground.

Definitions from Wiktionary.