Increase and Rationalise

Opposite meaning words

Increase verb - To make greater in size, amount, or number.

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Rationalise is an antonym for increase.

Rationalise verb - Think rationally; employ logic or reason.

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Increase is an antonym for rationalise.

Cite this Source

Rationalise and Increase. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/increase/rationalise

Increase & Rationalise. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/increase/rationalise>.

Rationalise or Increase. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/increase/rationalise.

Google Ngram Viewer shows how "increase" and "rationalise" have occurred on timeline