noun
- The first czar of Russia (1530-1584. ).
- synonyms: Ivan Iv Vasilievich, Ivan the Terrible
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). ivan iv. Retrieved September 21, 2026, from http://smartdefine.org/ivan_iv/definitions/1324791 |
| Chicago | WordNet. 2010. "ivan iv" http://smartdefine.org/ivan_iv/definitions/1324791 (accessed September 21, 2026). |
| Harvard | WordNet 2010, ivan iv, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/ivan_iv/definitions/1324791>. |
| MLA | WordNet. "ivan iv" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/ivan_iv/definitions/1324791> |