J is the tenth letter of the English alphabet. It is a later variant form of the Roman letter I, used to express a consonantal sound, that is, originally, the sound of English y in yet. The forms J and I have, until a recent time, been classed together, and they have been used interchangeably.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). j. Retrieved September 21, 2026, from http://smartdefine.org/j/definitions/2024140 |
| Chicago | Webster's. 2011. "j" http://smartdefine.org/j/definitions/2024140 (accessed September 21, 2026). |
| Harvard | Webster's 2011, j, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/j/definitions/2024140>. |
| MLA | Webster's. "j" 27 May 2011. Web. 21 September 2026. <http://smartdefine.org/j/definitions/2024140> |