He is the secondary character in the story.

Secondly, I would like to discuss the importance of teamwork.

She is primarily focused on her career, but she also enjoys traveling secondarily.

The secondary accent falls on the second syllable of the word.

Secondary modern schools were introduced in the 1940s as a type of secondary school in England.

I attended a secondary school in my hometown.

During puberty, the development of secondary sex characteristics, such as breast growth in females and facial hair growth in males, occurs.

I bought a secondhand watch.

I bought a secondhand car from a local dealership.