What is the definition of sophmore?

Sophomore is a noun that refers to a student in the second year of a four-year high school or college program.

It can also be used as an adjective to describe something or someone associated with the second year of study.

For example:

* "She's a sophomore in high school."

* "The sophomore class had a great time at their prom."

* "He's taking a sophomore-level physics course."