Word History

Etymology

New Latin virus + English -i- + -cide

First Known Use

1924, in the meaning defined above

Time Traveler
The first known use of viricidal was in 1924

Browse Nearby Words

Cite this Entry

“Viricidal.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/viricidal. Accessed 7 Jul. 2026.

Medical Definition

viricidal

adjective
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