Translation

架空の / 虚偽の / 作り上げた

Meaning

Fictitious means invented and not real, especially when a name, address, account, or example is created for a purpose. It can sound like false information in official contexts. Do not confuse it with fictional, which usually belongs to stories.

Examples

• 彼は申請書に架空の住所を書きました。
  He wrote a fictitious address on the application.
• 報告書では、プライバシー保護のため架空の名前が使われています。
  The report uses fictitious names to protect privacy.