English Antonyms Practice Test 9

Evolving : develop gradually.
Retreating : (of an army) withdraw from enemy forces as a result of their superior power or after a defeat.
Stifling : making one feel constrained or oppressed.
Stagnating : ceasing to develop; becoming inactive or dull.
Suffering : the state of undergoing pain, distress, or hardship.

Antonym of Evolving is Stagnating