Reduce
Reduce verb - To make smaller in amount, volume, or extent.
Usage example: you'll have to reduce the amount of money you spend on unnecessary purchases if you want to have any money left for retirement
Supplement is an antonym for reduce.
Supplement
Supplement verb - Add as a supplement to what seems insufficient.
Common collocations
Both words in one sentence
-
Antibiotics. In order to reduce deaths from wounds and illness, the US Military developed a mould-based antibiotic to supplement their supply of Sulfa (chemical-based) Antibiotics.
Source: Useful Notes / Yanks with Tanks -
In the Mutants & Masterminds supplement about Japanese media Mecha & Manga, there's a feat called "Distracting Looks" that allows your character to provoke this reaction to reduce targets' effectiveness with social skills.
Source: Distracted by the Sexy
Cite this Source
Supplement and Reduce. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/reduce/supplement
Reduce & Supplement. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/reduce/supplement>.
Supplement or Reduce. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/reduce/supplement.
Google Ngram Viewer shows how "reduce" and "supplement" have occurred on timeline