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.

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Etymology

Origin of STI

First recorded in 1990–95

Example Sentences

Macquarie Capital has a 2026 year-end target of 4500 on the STI, which is down 0.5% at 4513.91.

From The Wall Street Journal • Dec. 5, 2025

In one study, each $1 increase in per capita federal STI and HIV prevention funding was associated with a 21% decrease in gonorrhea.

From Salon • Jan. 17, 2025

Unlike England, Wales has universal free test-at-home kits, which Public Health Wales attributes as a key driver behind the recorded STI rise.

From BBC • Nov. 3, 2023

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