Unpredictable, Changeable; Tense
This page is the CodyCross answer for the clue below from Mesopotamia, Group 971, Puzzle 1 (Banks of the Tigris).
Question is: Unpredictable, Changeable; Tense
and the answer is: VOLATILE
Word Meaning:
VOLATILE — (physics) Evaporating or vaporizing readily under normal conditions.
Definitions from Wiktionary.