Prep and Supplementary

Prep

Prep verb - To make ready in advance.

Supplementary is an antonym for prep in introductory topic.

Nearby Word: prepare

Supplementary

Supplementary adjective - Available to supply something extra when needed.

Prep is an antonym for supplementary.

Cite this Source
Supplementary and Prep. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/prep/supplementary
Prep & Supplementary. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/prep/supplementary>.
Supplementary or Prep. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/prep/supplementary.
Google Ngram Viewer shows how "prep" and "supplementary" have occurred on timeline