STI

American

abbreviation

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.

One key advantage for Singapore equities is the high average dividend yield of the 30 companies that make up the STI.

From The Wall Street Journal • Dec. 3, 2025

Many are hopeful STIs will continue to decline so long as there is an investment in STI prevention and surveillance resources.

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

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023