35 entries under expansion topic. ×

11
stretching(noun, verb, adjective, increase, delay)
9
extension(noun, increase, development, spread, boost)
7
broadening(noun, verb, increase, delay, development)
7
widening(noun, verb, increase, delay, development)
6
spreading(noun, verb, expanding)
5
swelling(noun, verb, expanding)
4
amplification(noun, increase, delay, development, spread)
4
augmentation(noun, increase, delay, development, spread)
4
burgeoning(noun, verb, increasing, expanding)
4
development(noun, increase, delay, spread, boost)
4
enlargement(noun, increase, delay, development, boost)
4
expansion(noun, increase, delay, development, spread)
4
fattening(noun, verb, increasing, expanding)
4
increase(noun, delay, development, spread, addition)
3
thickening(noun, verb, expanding)
2
boosting(verb, development, boost, increasing)
2
distension(noun, increase, delay, development, spread)
2
growth
2
raising(verb, development, boost, increasing)
1
addition(noun, increase, delay, development, spread)
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APASmart Define. (2015). lengthening thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/lengthening/thesaurus/synonyms
ChicagoSmart Define. 2015. "lengthening thesaurus" https://smartdefine.org/lengthening/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, lengthening thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/lengthening/thesaurus/synonyms>.
MLASmart Define. "lengthening thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/lengthening/thesaurus/synonyms>