- (a.) Aryan; -- applied to the languages of India and Europe which are derived from the prehistoric Aryan language; also, pertaining to the people or nations who speak these languages; as, the Indo-European or Aryan family.
- A member of one of the Caucasian races of Europe or India speaking an Indo-European language.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). indo-european. Retrieved October 1, 2026, from http://smartdefine.org/indo-european/definitions/2020977 |
| Chicago | Webster's. 2011. "indo-european" http://smartdefine.org/indo-european/definitions/2020977 (accessed October 1, 2026). |
| Harvard | Webster's 2011, indo-european, Smart Define, viewed 1 October, 2026, <http://smartdefine.org/indo-european/definitions/2020977>. |
| MLA | Webster's. "indo-european" 27 May 2011. Web. 1 October 2026. <http://smartdefine.org/indo-european/definitions/2020977> |