23 entries under expansion topic. ×

6
widening(noun, verb, advance, rise, progress)
4
broadening(noun, verb, expanding)
4
stretching(noun, verb, advance, rise, progress)
4
swelling(noun, verb, lump, tumor)
3
burgeoning(noun, verb, expanding)
3
fattening(noun, verb, expanding)
3
growth(noun, advance, progress, development)
3
lengthening(noun, verb, expanding)
3
spreading(noun, verb, expanding)
2
augmentation(noun, advance, progress, development, growth)
2
development(noun, advance, progress, growth)
2
enlargement(noun, advance, progress, development, growth)
2
expansion(noun, advance, progress, development, growth)
2
extension(noun, advance, progress, development, growth)
2
increase(noun, advance, progress, development, growth)
1
amplification
1
crescendo
1
dilation
1
distension
1
engorgement
<12>
11 years ago|4.9k views|share |citing 
APASmart Define. (2015). thickening thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/thickening/thesaurus/synonyms
ChicagoSmart Define. 2015. "thickening thesaurus" https://smartdefine.org/thickening/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, thickening thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/thickening/thesaurus/synonyms>.
MLASmart Define. "thickening thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/thickening/thesaurus/synonyms>