Undetectable and Unperceivable

Undetectable

Undetectable adjective - Barely able to be perceived.

Unperceivable and undetectable are semantically related. In some cases you can use "Unperceivable" instead an adjective "Undetectable".

Unperceivable

Unperceivable adjective - Impossible or difficult to perceive by the mind or senses.
Usage example: color is unperceivable to the touch

Undetectable and unperceivable are semantically related. You can use "Undetectable" instead an adjective "Unperceivable".
Cite this Source
Unperceivable and Undetectable. (2016). Retrieved 2026, July 29, from https://thesaurus.plus/related/undetectable/unperceivable
Undetectable & Unperceivable. N.p., 2016. Web. 29 Jul. 2026. <https://thesaurus.plus/related/undetectable/unperceivable>.
Unperceivable or Undetectable. 2016. Accessed July 29, 2026. https://thesaurus.plus/related/undetectable/unperceivable.
Google Ngram Viewer shows how "undetectable" and "unperceivable" have occurred on timeline