Lose energy (8)
![Ross](/clue/static/ross-mug.min.png)
'lose energy' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for tire that I've seen before include "Feel in need of rest" , "Flag" , "Become exhausted" , "one of four found on Chevrolet?" , "Grow weary of rite" .)
(Other definitions for languish that I've seen before include "lose strength" , "Droop" , "Suffer hardship" , "Become discouraged" , "Wilt" .)