Cut hospital electrical current (killed no sick) (6)
I believe the answer is:
hacked
'cut' is the definition.
The answer and definition are not the same part of speech. However, past participle verbs and adjectives can occasionally mean the same thing.
'hospital electrical current killed no sick' is the wordplay.
'hospital' becomes 'h'.
'electrical current' becomes 'ac' (alternating current. I am not sure about the 'electrical' bit.).
'no' suggests deleting specific letters.
'sick' becomes 'ill' (similar in meaning).
'killed' with 'ill' taken away is 'ked'.
'h'+'ac'+'ked'='HACKED'
Can you help me to learn more?
(Other definitions for hacked that I've seen before include "Chopped at, or broke into computer system" , "like a lot of voicemail" .)