Given a life dependence requirement (3)
I believe the answer is:
fed
'given' is the definition.
('feed' can be a synonym of 'give')
'a life dependence requirement' is the wordplay.
'FED' is hidden within the letters.
But, I am not sure how the hidden word is indicated.
Can you help me to learn more?
(Other definitions for fed that I've seen before include "Provided food for" , "Gave food to (someone)" , "Provided courses" , "Given food to eat" , "Nourished" .)