| junior college |
an educational institution that offers a two-year program equivalent to the first two years at a four-year college and that confers an associate degree or certificate. |
| junior featherweight |
a boxer weighing more than a bantamweight but less than a featherweight, with a maximum weight of 122 pounds. |
| junior flyweight |
a boxer in the class below flyweight, with a maximum weight of 108 pounds. |
| junior high school |
a school between elementary school and high school; middle school. Junior high school usually includes grades seven, eight, and nine. |
| Junior League |
in the United States, an association of women of high economic and social status who do volunteer work in the local community. |
| junior lightweight |
a boxer weighing more than a featherweight but less than a lightweight, with a maximum weight of 130 pounds. |
| junior middleweight |
a boxer weighing more than a welterweight and less than a middleweight, with a maximum weight of 154 pounds. |
| junior miss |
a young woman in her early or mid-teens. [2 definitions] |
| junior varsity |
an athletic team that represents a school, college, or the like at a level below varsity; jayvee. |
| junior welterweight |
a boxer weighing more than a lightweight but less than a welterweight, with a maximum weight of 140 pounds. |
| lieutenant junior grade |
an officer in the U.S. Navy whose rank is above that of ensign and below that of lieutenant. |