$ 0 0 antediluvian (Noah の)大洪水以前の、大昔の、旧式な、時代遅れの(adjective) extremely old (with negative connotation)(google機械翻訳:)例文 His venerable family home was really an antediluvian shack which swayed unsteadily in the ocean breeze.googlewordnikweblio英次郎dictionary.com