Crossword Genius

Thin and weak-looking, unlike Rose (5)

Ross

I believe the answer is:

weedy

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'thin' is the definition.
(similar in meaning)

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(Other definitions for weedy that I've seen before include "scrawny" , "Underdeveloped" , "Thin, puny (colloq.)" , "like an untended flower bed?" , "Skinny" .)

I've seen this clue in the Evening Standard.
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