Apprehensible and Undetectable

Apprehensible

Apprehensible adjective - Able to be perceived by a sense or by the mind.
Usage example: some of the moon's more interesting features are apprehensible even to someone with a more modestly powered telescope

Undetectable is an antonym for apprehensible.

Undetectable

Undetectable adjective - Not easily seen.

Apprehensible is an antonym for undetectable.
Cite this Source
Undetectable and Apprehensible. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/apprehensible/undetectable
Apprehensible & Undetectable. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/apprehensible/undetectable>.
Undetectable or Apprehensible. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/apprehensible/undetectable.
Google Ngram Viewer shows how "apprehensible" and "undetectable" have occurred on timeline