Opened Mouth Because of Tiredness
This page is the CodyCross answer for the clue below from City Life, Group 1651, Puzzle 5 (Waterways and Canals).
Question is: Opened Mouth Because of Tiredness
and the answer is: YAWNED
Word Meaning:
YAWNED — simple past and past participle of yawn
Definitions from Wiktionary.