Condition is poor when ordered to take five (7)
I believe the answer is:
proviso
'condition' is the definition.
(I know that proviso is a type of condition)
'is poor when ordered to take five' is the wordplay.
'when ordered' indicates an anagram.
'to take' indicates putting letters inside (inserted letters are taken in).
'five' becomes 'V' (Roman numeral).
'is'+'poor'='ispoor'
'ispoor' anagrammed gives 'proiso'.
'proiso' placed around 'v' is 'PROVISO'.
(Other definitions for proviso that I've seen before include "Stipulated condition" , "Something insisted upon as part of an agreement" , "Condition of stipulation of an agreement" , "Condition added to an agreement" , "Condition attached to an agreement" .)