See also: Appendix:Variations of "is" Translingual Etymology Derived from Icelandic Ísland. Symbol IS (international standards) ISO 3166-1 alpha-2 country code for Iceland. Synonym: ISL (alpha-3) English Alternative forms I.S., I. S. Proper noun IS Initialism of Islamic State. (languages) Initialism of Interior Salish. Synonyms (Islamic State):DaeshISILISIS Derived terms (Islamic State):IS-K Translations Islamic State, abbreviation — see also Islamic State Dutch: IS (nl) French: EI (fr) m German: IS (de) m Greek: ΙΚ (IK) Spanish: EI m Swedish: IS (sv) Noun IS Initialism of International Sign. (computing) Initialism of information system(s). (politics) Initialism of international studies. (finance) Initialism of implementation shortfall. Anagrams s͞i, Si., S. I., SI, S.I., si, Si German Pronunciation Audio:(file) Proper noun IS m (proper noun, strong, genitive IS) Abbreviation of Islamischer Staat (“Islamic State, IS”). Declension More information singular, indef. ... singular indef. def. noun nominative ein der IS genitive eines des IS dative einem dem IS accusative einen den IS Close Declension of IS [sg-only, masculine, strong] Related terms ISIS/Isis, (rare) ISIL, ISIG Noun IS f (genitive IS, no plural) Abbreviation of Intensivstation (“intensive care unit, ICU”). Romanian Proper noun IS Abbreviation of Iași, a county in Romania. Swedish Swedish Wikipedia has an article on:ISWikipedia sv Proper noun IS ? (genitive IS) Initialism of Islamiska staten (“the Islamic State, IS”).Wikiwand - on Seamless Wikipedia browsing. On steroids.