syntactic
adj. C1 Advanced US //ˌsɪnˈtæktɪk// syn·tac·tic
adj. relating to the rules that decide how words are put together to make sentences. It describes the structure of language rather than its meaning.
adj. relating to the rules and principles that govern the structure of sentences and phrases. Often used in linguistic analysis to distinguish structural properties from semantic or phonetic ones.
The grammar of this sentence is syntactic.
The professor explained that the word order in this language is strictly syntactic and cannot be changed.
While the semantic meaning of the two sentences is identical, their syntactic structures differ significantly, affecting how the information is processed by the listener.
From New Latin syntacticus, from Ancient Greek συντακτικός (suntaktikós).