Meanings
- abbreviationuncountablecommunicationsAbbreviation of intersymbol interference.
- abbreviationinitialismuncountablehematologyInitialism of international sensitivity index.
- abbreviationinitialismuncountableeconomicsInitialism of import substitution industrialization.
Since ISI had been embraced by military juntas and urban interest-groups as an alternative to the oligarchic export-economy, government planners discriminated against exports by imposing heavy duties and pouring resources into manufacturing industry in preference to agriculture.
1992, Edwin Williamson, The Penguin History of Latin America, London; New York: Penguin Books, →ISBN, page 336
- PakistanabbreviationinitialismInitialism of Inter-Services Intelligence.
- abbreviationinitialismInitialism of Islamic State in Iraq.
- USabbreviationinitialismgovernmentInitialism of Intercollegiate Studies Institute, a conservative educational organization.
1 more example
The turmoil has engulfed more and more of the right. Earlier this month, two board members of the Intercollegiate Studies Institute (ISI), another influential conservative group, resigned […]. They noted that ISI recently unveiled a new podcast whose first guest, Curtis Yarvin, has defended slavery, said that white people have inherently higher IQs than black people and called for the American republic to be replaced with a dictatorship.
2025 November 20, J. Oliver Conroy, “White nationalist Nick Fuentes is exposing a civil war among US Republicans: ‘We look like clowns’”, in The Guardian, →ISSN, archived from the original on 05 Dec 2025
Synonyms & antonyms
nounthe Pakistan intelligence agency; a powerful and almost autonomous political and military force; has procured nuclear technology and delivery capabilities; has had strong ties with the Taliban and other militant Islamic groups
Synonym sets from Open English WordNet, CC BY 4.0.
Cite this entry
ISI. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/ISI
“ISI.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/ISI. Accessed November 3, 2026.
WatkinsX Dictionary, s.v. “ISI,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/ISI.
Source: ISI on Wiktionary, CC BY-SA 4.0.