Preliminary and Primary

Preliminary

Preliminary adjective - Coming before the main part or item usually to introduce or prepare for what follows.
Usage example: we need to do some preliminary research in order to properly focus the experiment

Primary is a synonym for preliminary in introductory topic. In some cases you can use "Primary" instead the word "Preliminary" as an adjective or a noun.

Primary

Primary adjective - Coming before the main part or item usually to introduce or prepare for what follows.
Usage example: a few minutes of primary instruction in the use of our diving gear before we actually got into the water

Preliminary is a synonym for primary. You can use "Preliminary" instead the word "Primary" as an adjective or a noun.

Nearby Words: prime, prim, primarily, primal
Cite this Source
Primary and Preliminary. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/preliminary/primary
Preliminary & Primary. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/preliminary/primary>.
Primary or Preliminary. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/preliminary/primary.
Google Ngram Viewer shows how "preliminary" and "primary" have occurred on timeline