Inefficacious and Theoretical

Inefficacious adjective - Not producing the desired result.

Theoretical and inefficacious are semantically related. In some cases you can use "Theoretical" instead an adjective "Inefficacious".

Theoretical adjective - Existing only as an assumption or speculation.

Inefficacious and theoretical are semantically related. Sometimes you can use "Inefficacious" instead an adjective "Theoretical".

Nearby Words: theory, theoretic, theoretically, theorist, theoretician