She's no tramp (4)
I believe the answer is:
lady
This clue might be a double definition.
'she's' is the first definition.
Both the definition and answer are singular nouns.
Maybe they are linked in a way I don't understand?
'no tramp' is the second definition.
The answer and definition can be both people as well as being singular nouns.
Perhaps you can see a link between them that I don't see?
Can you help me to learn more?
(Other definitions for lady that I've seen before include "Lord's partner" , "See 2" , "Wife of gentleman" , "See 7" , "Female peer" .)