Nullifies horrendous ultimate chaos! (6)
I believe the answer is:
undoes
'nullifies' is the definition.
(I've seen this in another clue)
I don't understand the rest of the clue.
Can you help me to learn more?
(Other definitions for undoes that I've seen before include "Opens fastener or causes the ruin of" , "Loosens or ruins" .)
I've seen this clue in the Evening Standard.
Want a hint initially instead of a full solution?
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