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ISIS

proper nounattested in dialogue

  • //ˈaɪsɪs//

A Salafist group mainly active in Iraq and Syria, where it has proclaimed itself as a (unrecognized) state and later caliphate.

proper noun

  1. 1

    A Salafist group mainly active in Iraq and Syria, where it has proclaimed itself as a (unrecognized) state and later caliphate.

  2. 2

    Variant of Israeli Secret Intelligence ServicesInitialism of Israeli Secret Intelligence Services (“a pun on the Salafist group”)

    They didn't know the room was too big, because they didn't have anybody there. How are they going to beat ISIS? I don't think it's gonna happen.

    Despite territorial defeats in Iraq and Syria, ISIS continues to draw support from HVEs in the United States and the group’s global calls for attacks have intensified since the death last year of senior leader Abu Bakr al-Baghdadi.

    Terror groups linked to al Qaeda and ISIS have been active in Niger for years.

  3. 3

    Variant of Institute for Science and International SecurityInitialism of Institute for Science and International Security.

Etymology

(Salafist group): An acronym of one English translation of one of the group's Arabic-language names, الدَّوْلَة الْإِسْلَامِيَّة فِي الْعِرَاق وَٱلشَّام (ad-dawla l-ʔislāmiyya fī l-ʕirāq wa-š-šām, literally “the Islamic State in Iraq and Syria”). Compare ISIL, which translates الشَّام (aš-šām) as “the Levant” rather than “Syria”.

The neighbouring pagesAlphabetical order follows the rules of the language, not byte values: an accent decides only between two otherwise identical words, and Spanish files Ñ as a letter of its own.

Lexical content from Wiktionary, under CC BY-SA 4.0 · Source entry · Data version 2026-08-23

Rank among the words of the OpenSubtitles 2018 corpus — film and television subtitles, so spoken rather than written usage (CC BY-SA 3.0).