SIG·​INT ˈsig-ˌint How to pronounce SIGINT (audio)
: intelligence obtained through the interception of transmission signals

Examples of SIGINT in a Sentence

Recent Examples on the Web The agreement, first reported by the Wall Street Journal, will allow China to set up a signals intelligence (SIGINT) listening post in Cuba. Kyle Mizokami, Popular Mechanics, 13 June 2023 So my first exposure to the North Korean issue was as a SIGINT voice intercept operator. CBS News, 9 June 2021

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'SIGINT.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


signals intelligence

First Known Use

1969, in the meaning defined above

Time Traveler
The first known use of SIGINT was in 1969

Dictionary Entries Near SIGINT

Cite this Entry

“SIGINT.” Dictionary, Merriam-Webster, Accessed 28 Sep. 2023.

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