14
expansion(noun, increase, development, growth, opening)
13
enlargement(noun, increase, development, growth, bump)
11
amplification(noun, expansion, circulation, spreading)
10
extension(noun, expansion, circulation, spreading, distention)
9
dilatation(noun, expansion, circulation, spreading)
9
distension(noun, increase, growth, expansion, abundance)
7
development(noun, increase, spread, growth, expansion)
7
increase(noun, development, spread, growth, bump)
7
inflation(noun, increase, development, spread, growth)
7
swelling(noun, lump, expansion, abundance, completeness)
5
aggrandizement(noun, expansion, enlargement, swelling, inflammation)
5
augmentation(noun, increase, development, spread, growth)
5
spread(noun, expansion, circulation, spreading)
5
stretching(noun, growth, opening, expansion, tension)
4
distention(noun, increase, swell, bump, lump)
4
expanse(noun, expansion, circulation, spreading)
4
growth(noun, increase, swell, lump, expansion)
4
magnification(noun, increase, development, spread, growth)
4
swell(noun, expansion, swelling, protuberance)
3
bulge(noun, increase, swell, object, bump)
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APASmart Define. (2015). dilation thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/dilation/thesaurus/synonyms
ChicagoSmart Define. 2015. "dilation thesaurus" https://smartdefine.org/dilation/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, dilation thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/dilation/thesaurus/synonyms>.
MLASmart Define. "dilation thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/dilation/thesaurus/synonyms>