SIV

noun

ˌes-ˌī-ˈvē How to pronounce SIV (audio)
: a lentivirus (species Simian immunodeficiency virus) that causes a disease in monkeys similar to AIDS and that is closely related to HIV-2

Examples of SIV in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Tens of thousands of Afghans have already been caught in limbo due to other Trump administration executive orders suspending the US refugee admissions program and the suspension of foreign aid funding for flights of Afghan Special Immigrant Visa (SIV) holders. — Sophia Saifi, CNN Money, 28 Mar. 2025 Republican Celeste Maloy was selected as a congressional candidate in a vote powered by SIV in 2023. — James Pearson, USA TODAY, 11 Aug. 2024

Word History

First Known Use

1987, in the meaning defined above

Time Traveler
The first known use of SIV was in 1987

Browse Nearby Words

Siuslaw
SIV
Siva
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Cite this Entry

“SIV.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/SIV. Accessed 7 Apr. 2025.

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Medical Definition

SIV

noun
ˌes-ˌī-ˈvē How to pronounce SIV (audio)
: a retrovirus of the genus Lentivirus (species Simian immunodeficiency virus) that causes a disease in monkeys similar to AIDS and that is closely related to HIV-2 of humans

called also simian immunodeficiency virus

Last Updated: - Updated example sentences
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