Efficacious and Sound

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Efficacious adjective - Producing or capable of producing a desired result.

Usage example: taking a cookie break while studying is one of the most efficacious ways of rejuvenating the mind that I have ever discovered

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Sound and efficacious are semantically related. In some cases you can use "Sound" instead an adjective "Efficacious".

Sound adjective - According to the rules of logic.

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Efficacious and sound are semantically related. Sometimes you can use "Efficacious" instead an adjective "Sound".

Nearby Words: sounded, soundness, soundly, sounding, sounder

Cite this Source

Sound and Efficacious. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/efficacious/sound

Efficacious & Sound. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/efficacious/sound>.

Sound or Efficacious. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/efficacious/sound.

Google Ngram Viewer shows how "efficacious" and "sound" have occurred on timeline