Definitions

1. verb

to deprive of life or vitality; to make or become lifeless or inactive

“The drought undeadened the once-thriving ecosystem, leaving it barren and dry.”

2. verb (archaic or poetic)

to kill or put to death

“The king’s sword undeadened the dragon, but the beast rose again from the ashes.”

3. adjective

lacking vitality or life; lifeless

“The undeadened landscape stretched out as far as the eye could see, devoid of any signs of life.”