Junior — Defs

01 a. Less advanced in age than another; younger. Abbreviated Jr.

1.
Less advanced in age than another; younger. Abbreviated Jr.
2.
Lower in standing or in rank, or having entered later into a position or office; as, a junior partner; junior counsel; junior captain; the junior Senator from New York.
3.
Composed of juniors, whether younger or a lower standing; as, the junior class; the junior baseball league; of or pertaining to juniors or to a junior class. See Junior, n., 2. See: Junior
4.
Belonging to a younger person, or an earlier time of life.
“Our first studies and junior endeavors.” — Sir T. Browne.
5.
of or relating to the third year of a four-year term; -- used of the third or next to final year in a U. S. high school or college. See junior{2}, n.. See: junior

Syn. third-year.

02 n. A younger person.

1.
A younger person.
“His junior she, by thirty years.” — Byron.
2.
One of a lower or later standing; specifically, in American colleges and four-year high schools, one in the third year of his course, one in the fourth or final year being designated a senior; in some seminaries, one in the first year, in others, one in the second year, of a three years' course.