Meaning & Cultural Context

Meaning:

An impractical or baseless theory with no real-world application.
日本語で読む
現実性のない、根拠に乏しい理論。

Cultural Context:

Often used in politics, academia, or debates to dismiss ideas lacking practicality.
日本語で読む
政治や学問、討論の場で、実用性のない意見を退けるために使われる。

Grammar & Learning Points

Grammar Point

• Noun phrase with “に陥る” or “を述べる” to describe arguments or theories that are impractical and lack real-world application (“空理空論に陥る”).<br>• Commonly used in academic or policy criticism.
日本語で読む
• 実用性や現実性のない議論や理論を表す「〜に陥る」「〜を述べる」(例:「空理空論に陥る」)。<br>• 学術や政策批判などでよく使われる。

Trap for English Speakers

Might be mistaken as simply “theory,” but it emphasizes the futility and detachment from reality.
日本語で読む
単なる理論ではなく、現実離れして無意味な議論である点に注意。

Example

Example 1Basic Example

  1. その計画は現実性がなく、空理空論に過ぎない。

    That plan lacks realism and is nothing but empty theory.

Example 2Applied Example

  1. 机上の空理空論を並べる上司に、部下たちは生返事を繰り返した。

    The boss kept lining up impractical theories, and his subordinates just mumbled half-hearted replies.

Quick check

Meaning

What does 「空理空論」 mean?

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