Synonyms|352Antonyms|97|Broader|7Narrower|16Related|289

94 entries under addition topic. ×

4
sequel(noun, increase, extra, additive)
3
enlargement(noun, increase, delay, development, extra)
2
additive(noun, increase, extra, supplement)
2
affix(noun, extension, supplement, adjunct)
2
afterthought(noun, supplement)
2
enhancement(noun, increase, extra, supplement)
2
expansion(noun, increase, delay, development, spread)
2
subsidiary(noun, increase, extra, extension)
1
add-on(noun, increase, extra, attachment)
1
amplification(noun, increase, delay, development, spread)
1
arm(noun, increase, delay, development, spread)
1
bonus(noun, extra, supplement, appendage)
1
branch(noun, increase, delay, development, spread)
1
broadening(noun, increase, delay, development, spread)
1
compass(noun, increase, delay, development, spread)
1
continuing(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)
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APASmart Define. (2015). addendum thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/addendum/thesaurus/synonyms
ChicagoSmart Define. 2015. "addendum thesaurus" https://smartdefine.org/addendum/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, addendum thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/addendum/thesaurus/synonyms>.
MLASmart Define. "addendum thesaurus" 13 April 2015. Web. 24 September 2026. <https://smartdefine.org/addendum/thesaurus/synonyms>