iff
English
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iff¹
- /ɪf ən(d)ˈəʊn.li ɪf/ UK
- /ɪf ən(d)ˈoʊn.li ɪf/ US
conjunction
- Abbreviation of if and only if A rectangle is a square iff all four of its sides have the same length.
iff²
conjunction
- Obsolete spelling of if For iff the patient be aſhamed to diſcloſe hiſ wounde to the phyſician which knoweth it not , phyſicke can not helpe him.
IFF³
proper noun
- Initialism of Interchange File Format, a file format standard developed for Amiga computers.
- Initialism of International Flavors & Fragrances
noun
- Initialism of identification friend or foe Another red alert last night. Lasted only five minutes, Possibly just a friendly plane with its IFF turned off.
ifF⁴
proper noun
- Initialism of Independents for Frome
Translations
Talk about this word "iff." Wiktionary, via Micwyn, micwyn.com/word/iff. Accessed 6 Nov. 2026. iff. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/iff "iff." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/iff.
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@misc{iff_2026,
title = {iff},
howpublished = {Wiktionary, via Micwyn},
year = {2026},
url = {https://micwyn.com/word/iff},
urldate = {2026-11-06}
}
