Iranian

[ih-rey-nee-uh n, ih-rah-, ahy-rey-] /ɪˈreɪ ni ən, ɪˈrɑ-, aɪˈreɪ-/
adjective
1.
of or pertaining to Iran, its inhabitants, or their language.
2.
of or pertaining to the Iranian languages.
noun
3.
a subbranch of the Indo-European family of languages, including especially Persian, Pashto, Avestan, and Kurdish.
4.
an inhabitant of Iran; Persian.
Also, Irani
[ih-ran-ee, ih-rah-nee, ahy-rey-] /ɪˈræn i, ɪˈrɑ ni, aɪˈreɪ-/ (Show IPA), (for defs 1, 4).
Origin
1835-45; Iran + -ian
Related forms
pro-Iranian, adjective, noun
pseudo-Iranian, adjective, noun
trans-Iranian, adjective
British Dictionary definitions for Iranian

Iranian

/ɪˈreɪnɪən/
noun
1.
a native, citizen, or inhabitant of Iran
2.
a branch of the Indo-European family of languages, divided into West Iranian (including Old Persian, Pahlavi, modern Persian, Kurdish, Baluchi, and Tajik) and East Iranian (including Avestan, Sogdian, Pashto, and Ossetic)
3.
Also Persian, Farsi. the modern Persian language
adjective
4.
relating to, denoting, or characteristic of Iran, its inhabitants, or their language; Persian
5.
belonging to or relating to the Iranian branch of Indo-European
Word Origin and History for Iranian

1841 (adj.); 1873 (n.), from Iran + -ian.