Concentrate
Concentrate verb - To increase the amount of (a substance in a mixture) by removing other substances.
Usage example: prolonged boiling is required to concentrate the sap when making maple syrup
Weaken
Weaken verb - To alter (something) for the worse with the addition of foreign or lower-grade substances.
Usage example: weakened the juice with too much water
Concentrate is an antonym for weaken.
Common collocations
Both words in one sentence
-
From Episode 2 onwards, Dan was able to concentrate and generate some kind of aura he used to weaken kaijus.
Source: Series / Ultraman Leo
Cite this Source
Weaken and Concentrate. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/concentrate/weaken
Concentrate & Weaken. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/concentrate/weaken>.
Weaken or Concentrate. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/concentrate/weaken.
Google Ngram Viewer shows how "concentrate" and "weaken" have occurred on timeline