1

antiviral

adjective an·ti·vi·ral \ ˌan-tē-ˈvī-rəl , ˌan-tī- \
|Updated on: 2 Aug 2018

Definition of antiviral

1 medical : acting, effective, or directed against viruses
  • an antiviral vaccine/drug
2 : used to protect a computer from viruses : antivirus
  • antiviral software

Recent Examples of antiviral from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'antiviral.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of antiviral

1929

in the meaning defined at sense 1

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2

antiviral

noun

Definition of antiviral

: an antiviral agent and especially a drug
  • antivirals used in treating influenza

Recent Examples of antiviral from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'antiviral.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of antiviral

1959

in the meaning defined above

See Words from the same year
NEW! Time Traveler

Medical Dictionary

1

antiviral

adjective an·ti·vi·ral \ -ˈvi-rəl \
variants: also antivirus play \-rəs\

medical Definition of antiviral

: acting, effective, or directed against viruses
  • antiviral drugs

2

antiviral

noun

medical Definition of antiviral

: an antiviral agent and especially a drug

Learn More about antiviral

  1. Spanish Central: Translation of antiviral


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