Definition that contains iranian language
- kurdish an Iranian language spoken in Turkey and Iran and Iraq and Syria and Russia
- afghan an Iranian language spoken in Afghanistan and Pakistan; the official language of Afghanistan
- afghani an Iranian language spoken in Afghanistan and Pakistan; the official language of Afghanistan
- dari an Iranian language spoken in Afghanistan
- scythian the Iranian language spoken by the ancient Scythians
- tajik the Iranian language of the Tajik that is closely related to Farsi; spoken in Iran and Tajikistan
- parthian the Iranian language spoken in the Parthian kingdom (250 BC to AD 226)
- pahlavi the Iranian language of the Zoroastrian literature of the 3rd to 10th centuries
- avestan an ancient Iranian language
- indo-iranian language the branch of the Indo-European family of languages including the Indic and Iranian language groups