primary

1 primary /ˈpraɪˌmeri/ Brit /ˈpraɪməri/ adjective
1 primary
/ˈpraɪˌmeri/ Brit /ˈpraɪməri/
adjective
Britannica Dictionary definition of PRIMARY
always used before a noun
1 
a  : most important : main
b  : most basic or essential
— compare secondary, tertiary
2 
: happening or coming first
— compare secondary, tertiary
3 
: not coming from or dependent on something else
4 
chiefly British : relating to the education of young children
2 primary /ˈpraɪˌmeri/ Brit /ˈpraɪməri/ noun
plural primaries
2 primary
/ˈpraɪˌmeri/ Brit /ˈpraɪməri/
noun
plural primaries
Britannica Dictionary definition of PRIMARY
[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
— called also (US) primary election