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..

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.

1. n. Meaningless word see Sophomore 2. n. Student with between 90 and 134 (arcane usage)

Rider under eighteen years of age as of January 1. Horse four years of age and under.

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

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.

Belonging to a younger person, or an earlier time of life.

a player under the age of 25.