function word編輯正在努力提供更完整的內容，建議 20 分鐘後再回來看看function wordfunction word — 名詞名詞1. A word that expresses grammatical relationship but has little lexical meaning.1.名詞釋義虛詞A word that expresses grammatical relationship but has little lexical meaning.例句Prepositions and conjunctions are function words.