In front at last, hungry for such an injection? (11)
I believe the answer is:
intravenous
'for such an injection?' is the definition.
I can't judge whether this defines the answer.
'in front at last hungry' is the wordplay.
'at last' suggests the final letters.
'hungry' becomes 'ravenous' (similar in meaning).
The final letter of 'front' is 't'.
'in'+'t'+'ravenous'='INTRAVENOUS'
Can you help me to learn more?
(Other definitions for intravenous that I've seen before include "Within a vein" , "Within one type of blood vessel" , "Like emergency feeding" , "in vessels carrying claret" , "Sort of injection" .)