46 entries under addition topic. ×

4
extension(noun, increase, line, spread)
2
continuation(noun, increase, strength, delay, development)
1
addendum(noun, increase, delay, development, spread)
1
adjunct(noun, increase, delay, development, spread)
1
amplification(noun, increase, delay, development, spread)
1
annex(noun, increase, delay, development, spread)
1
appendage(noun, increase, delay, development, spread)
1
appendix(noun, increase, delay, development, spread)
1
arm(noun, increase, delay, development, spread)
1
augmentation(noun, increase, delay, development, spread)
1
branch(noun, increase, delay, development, spread)
1
broadening(noun, adjective, increase, delay, development)
1
compass(noun, increase, delay, development, spread)
1
delay(noun, increase, development, spread, reach)
1
development(noun, increase, delay, spread)
1
dilatation(noun, increase, delay, development, spread)
1
distension(noun, increase, delay, development, spread)
1
drawing out(noun, expression, increase, delay, development)
1
elongation(noun, increase, delay, development, spread)
1
expansion(noun, increase, delay, development, spread)
<123>
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APASmart Define. (2016). continuing thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/continuing/thesaurus/synonyms
ChicagoSmart Define. 2016. "continuing thesaurus" https://smartdefine.org/continuing/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, continuing thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/continuing/thesaurus/synonyms>.
MLASmart Define. "continuing thesaurus" 26 February 2016. Web. 22 September 2026. <https://smartdefine.org/continuing/thesaurus/synonyms>