Frail (4)
'frail' is the definition.
(thesaurus)
This is the entire clue.
(Other definitions for flimsy that I've seen before include "Insubstantial, light and thin" , "Light and thin, material or argument, perhaps" , "Fragile, of loose structure" , "Light and thin, easily torn or broken" , "Lightweight" .)
'frail' is the definition.
(similar in meaning)
This is all the clue.
(Other definitions for infirm that I've seen before include "Feeble, decrepit" , "Not physically strong" , "not so healthy" , "Physically weak as from old age" , "Weak and feeble" .)
'frail' is the definition.
(similar in meaning)
This is all the clue.
(Other definitions for feeble that I've seen before include "rather weak" , "Paltry" , "Lacking strength or vigour" , "lacking resolve" , "Weak or Fragile" .)
'frail' is the definition.
(synonyms)
This is all the clue.
(Other definitions for weak that I've seen before include "Wanting in physical strength" , "Faint; frail" , "Easily led" , "Lacking strength" , "Spent" .)
'frail' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for reedy that I've seen before include "Like a stick insect" , "(Of voice) high/thin" , "full of vegetation" , "(Of sound) thin in tone" , "edge of some river-banks" .)