sigint

S1I1G2I1N1T1
/ˈsɪɡ.ɪnt/

noun

An Earth-orbiting satellite used to intercept signals.

Similar
signals intelligence
UncommonScrabble 7
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Meanings

sigint1

nounsigint (countable and uncountable, plural sigints)

plural sigints

  1. countableuncountableAlternative letter-case form of SIGINT.

    We have had a long history of Mossadniks and others speaking out, this is a first for the sigint service to my knowledge.

    2014 September 12, Natan Sachs, “Commentary Israeli Intelligence Veterans Refusal Letter”, in Brookings, archived from the original on 21 Mar 2025

SIGINT2

nounSIGINT (countable and uncountable, plural SIGINTs)

plural SIGINTs · alternative sigint

  1. abbreviationuncountableespionageAbbreviation of signals intelligence.

    (a) Intelligence.—This includes SIGINT, ELINT and their Electronic countermeasures (ECM, ECCM, ECCCM and so on).

    2002, Indian Journal of Strategic Studies, volume 23, page 163
  2. countableAn Earth-orbiting satellite used to intercept signals.
  3. countableuncountablecomputingA signal sent to a process by its controlling terminal when a user wishes to interrupt the process.

Synonyms & antonyms

nounintelligence information gathered from communications intelligence or electronics intelligence or telemetry intelligence

Similar
signals intelligence
Broader
intelligenceintelligence activityintelligence operation
Also see
signals intelligence

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

sigint · noun

Blend of signal + intelligence.

Full word history & related roots →

SIGINT · noun

Sense 1: Syllabic abbreviation of signals intelligence.

Full word history & related roots →

Rhymes & wordplay

Anagrams

siting
Cite this entry
APA

sigint. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/sigint

MLA

“sigint.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/sigint. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “sigint,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/sigint.

Source: sigint on Wiktionary, CC BY-SA 4.0.