Insufficient (10)
There are a few possibilities for this:
inadequate
'insufficient' is the definition.
(associated in meaning)
This is the entire clue.
(Other definitions for meagre that I've seen before include "Skimpy and scarce" , "'Stingy, skimpy (6)'" , "Lean; lacking in quality" , "deficient in amount" , "Insufficient; scanty" .)
'insufficient' is the definition.
(similar in meaning)
This is the entire clue.
(Other definitions for scarce that I've seen before include "Uncommon" , "Common? Definitely not" , "Hard to obtain" , "Not plentiful, in short supply" , "Scant, meagre" .)
'insufficient' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for scanty that I've seen before include "Lacking in amplitude or quantity" , "Spare" , "Modest" , "Inadequate" , "(Of clothing) skimpy" .)
'insufficient' is the definition.
(similar in meaning)
This is the entire clue.
(Other definitions for inadequate that I've seen before include "Found wanting" , "not up to the job" , "Insufficient" , "lacking" , "Deficient" .)