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fictitious; imaginary; fanciful; fabricated
aerial; overhead
この小説の物語は全て架空の設定であり実在しない。
This story has a fictitious setting.
架空の請求書に騙されないように。
Be careful not to be deceived by fictitious invoices.
架空の人物を主人公にした小説だ。
This is a novel with a fictitious character as the protagonist.