Definitions

1. adjective

being or serving as the first or most important in a series or hierarchy; having the highest rank or status

“The primary reason for the project’s failure was a lack of funding.”

2. noun

a school for children between the ages of 5 and 11, typically providing basic education

“She attended a primary school near her home.”

3. adverb

used to indicate the main or most important thing

“The primary concern of the committee was the welfare of the employees.”