Translation

偽の / もっともらしいが誤った / 根拠のない

Meaning

Spurious means false, not genuine, or not based on sound reasoning, even if it looks convincing. It is common with claims, reasons, evidence, and accusations.

Examples

• その報告書は根拠のない主張に基づいていました。
  The report was based on a spurious claim.
• 彼らは証拠のない偽の非難を退けました。
  They rejected the spurious accusation.