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STI

American  

abbreviation

  1. sexually transmitted infection: any infection that is characteristically transmitted by sexual contact and may either clear up or develop into a sexually transmitted disease.


Etymology

Origin of STI

First recorded in 1990–95

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The STI ends 0.5% higher at 4416.27, taking gains this year to more than 16%.

From The Wall Street Journal Oct. 24, 2025

The outreach events are part of a wider public health push to tackle rising STI rates.

From BBC Sep. 18, 2025

“We will keep fighting this cruel law so that everyone can get birth control, STI testing and treatment, cancer screenings and other critical health care, no matter their insurance,” she said.

From Salon Jul. 28, 2025

Unpacking STI trends using genomic surveillance could help identify high-risk areas or populations and inform targeted public health strategies to break the chains of transmission.

From Science Daily Sep. 16, 2023

XVth century, in the Royal Private Library at Stuttgart, iii 37 ---- 8vo., in the Emperor's private collection at Vienna, iii 386 ---- STI.

From A Bibliographical, Antiquarian and Picturesque Tour in France and Germany, Volume One by Dibdin, Thomas Frognall

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