98 entries under verb topic. ×

8
attenuate(quiet, decline, reduce, fall)
7
subtilize
7
sublimate
6
refine(thin, purify)
5
expand(thin, expansion, rarity)
5
distill(pure, condense, refine, purify)
5
purify(condense, extract, refine, infuse)
5
thin(quiet, decline, reduce, fall)
5
weaken(decline, reduce, fall, fail)
4
aggrandize
4
amplify
4
cut(thin, informal)
4
develop
4
dilate
4
dilute
4
distend
4
extend
4
fade(decline, fail, diminish, weaken)
4
inflate
4
magnify
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APASmart Define. (2015). rarefy thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/rarefy/thesaurus/synonyms
ChicagoSmart Define. 2015. "rarefy thesaurus" https://smartdefine.org/rarefy/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, rarefy thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/rarefy/thesaurus/synonyms>.
MLASmart Define. "rarefy thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/rarefy/thesaurus/synonyms>