Sentence structure (6)
'sentence structure?' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for prison that I've seen before include "No rips (anag)" , "Place of incarceration" , "Place of detention for criminals" , "punishment" , "Clink - jug" .)
'sentence structure' is the definition.
(synonyms)
This is the entire clue.
(Other definitions for syntax that I've seen before include "Grammatical rules" , "Rules governing formation of words into sentences etc" , "Grammatical word structure in sentences" , "Grammatical construction" , "The rules governing the arranging of words" .)