noun
- The cardinal number that is the sum of three and one.
- synonyms: 4, IV, tetrad, quatern, quaternion, quaternary, quaternity, quartet, quadruplet, foursome, Little Joe
- A playing card or domino or die whose upward face shows four pips.
- synonyms: four-spot
adjective
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). four. Retrieved September 20, 2026, from http://smartdefine.org/four/definitions/1174457 |
| Chicago | WordNet. 2010. "four" http://smartdefine.org/four/definitions/1174457 (accessed September 20, 2026). |
| Harvard | WordNet 2010, four, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/four/definitions/1174457>. |
| MLA | WordNet. "four" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/four/definitions/1174457> |