DictionaryprimaryMain importance
adjective / noun

primary

PRY-mair-ee/ˈpraɪmeri/

First or fundamental in a sequence or relationship.

The cornerstone provides primary support at the base of the stone arch.

A large strong cornerstone supports the base of a modest stone arch, primary fundamental element, no text.
Etymology

“First” can describe either position in a sequence or rank in importance. Primary carries both ideas, while its elementary sense identifies the first stage of learning or development.

In context

This is Classical Guitar4:24
even if you start on the note above you always end on that primary note so that the primary note is um the most important one and you always resolve to it
Trills in Music - An Ornamentation Lesson on Classical Guitar

More examples

  • Her diary is a primary source for historians studying that period.
  • Children in the primary grades learn basic reading and math.
  • In painting class, we mix the primaries to make other colors.

Forms

primary · primaries

primarily adverb — For the most part; chiefly or mainly.

Similar words

main
Emphasizes greatest importance rather than earliest position in a sequence.
fundamental
Emphasizes an underlying basis rather than order in a sequence.
initial
Specifies the beginning without necessarily suggesting importance or basic status.