Aseptic and Infectious

Opposite meaning words

Aseptic adjective - Free from filth, infection, or dangers to health.

Usage example: patients with compromised immune systems must be treated in aseptic environments

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Infectious is an antonym for aseptic.

Nearby Word: asepsis

Infectious adjective - Exciting a similar feeling or reaction in others.

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Aseptic is an antonym for infectious.

Cite this Source

Infectious and Aseptic. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/aseptic/infectious

Aseptic & Infectious. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/aseptic/infectious>.

Infectious or Aseptic. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/aseptic/infectious.

Google Ngram Viewer shows how "aseptic" and "infectious" have occurred on timeline