Costless
Immune
Immune adjective - Relating to the condition of immunity.
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Synonyms for Immune
Costless and immune are semantically related. Sometimes you can use "Costless" instead an adjective "Immune".
Mutual synonyms
Cite this Source
Immune and Costless. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/costless/immune
Costless & Immune. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/costless/immune>.
Immune or Costless. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/costless/immune.
Google Ngram Viewer shows how "costless" and "immune" have occurred on timeline