No answer (7)
This could be a double definition.
'no' is the first definition.
(refusing is saying no)
'answer' is the second definition.
The answer and definition can be both related to communication as well as being singular nouns.
Maybe they are linked in a way I don't understand?
Can you help me to learn more?
(Other definitions for refusal that I've seen before include "Dissent" , "Possibly first option to buy" , "regrets?" , "Act of declining to take or accept something" , "Negative response" .)
I believe this clue is a double definition.
'no' is the first definition.
(I've seen this in another clue)
'answer' is the second definition.
(thesaurus)
(Other definitions for denial that I've seen before include "Declaration that something is untrue" , "Renunciation" , "Refusal to admit painful truths" , "Repudiation" , "Nailed (anag.)" .)
(Other definitions for negative that I've seen before include "Film with images reversed" , "Snap out of it? Yes" , "Photographic image with tones reversed" , "Expressing refusal, denial or disagreement" , "Not positive - denial" .)