What does "primarily" mean?

Of a primary or central nature, first and foremost.

What is a synonym for "primarily"?

Common synonyms include: chiefly, in the first place, mainly, principally, a fortiori, ab initio.

Pronounced //ˈpɹaɪməɹəli//.

/ˈpɹaɪməɹəli/ adv

adv ·Moderate ·High school level

Adverb

1
Of a primary or central nature, first and foremost. focus, not-comparable
"The idea of fitting a crane to an engine for shunting duties, primarily in works yards, appears to have originated with the North London Railway engine in 1872."

Adverb

"Cue cards are used primarily on television to help the actors remember their lines."

From primary + -ly.