He wanted to get rid of that sickly look (3)
I believe the answer is:
ted
'he' is the definition.
'wanted to get rid of that sickly look' is the wordplay.
'TED' is hidden in amongst the letters.
However, I am uncertain how the hidden word is indicated.
Can you help me to learn more?
(Other definitions for ted that I've seen before include "1950s adolescent" , "Craggy Island Father" , "Edward, in short" , "1950s teenager" , "Turn over (hay); man's name" .)