SYNTAX /ˈsɪn.tæks/ ► audio Scrabble 16 Words With Friends 16 Definition noun the grammatical arrangement of words in sentences. — synonyms: sentence_structure, phrase_structure noun a systematic orderly arrangement. noun studies of the rules for forming admissible sentences. See all 29 words you can make from SYNTAX → 6-letter words Words starting with S Words ending with X ← Unscramble different letters