Insensitive and Unreactive

Insensitive

Insensitive adjective - Not responsive to physical stimuli.
Usage example: insensitive to radiation

Unreactive and insensitive are semantically related. In some cases you can use "Unreactive" instead an adjective "Insensitive".

Unreactive

Unreactive adjective - Not tending to react to stimulation.

Insensitive and unreactive are semantically related. Sometimes you can use "Insensitive" instead an adjective "Unreactive".
Cite this Source
Unreactive and Insensitive. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/insensitive/unreactive
Insensitive & Unreactive. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/insensitive/unreactive>.
Unreactive or Insensitive. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/insensitive/unreactive.
Google Ngram Viewer shows how "insensitive" and "unreactive" have occurred on timeline