[{"Bold_text": "noun", "List Items": ["an interjectory word or expression, frequently profane; an exclamatory oath.", "a syllable, word, or phrase serving to fill out.", "Grammar.a word considered as regularly filling the syntactic position of another, asitin It is his duty to go,ortherein There is nothing here."]}, {"Bold_text": "adjective", "List Items": ["Alsoex·ple·to·ry[]added merely to fill out a sentence or line, give emphasis, etc.:Expletive remarks padded the speech."]}]