primary
/ˈpraɪˌmeri/ /Brit ˈpraɪməri/
adjective
always used before a noun
most important :main
most basic or essential
happening or coming first
not coming from or dependent on something else
chiefly Brit :relating to the education of young children
noun
plural -ries
[count] US :an election in which members of the same political party run against each other for the chance to be in a larger and more important election