111 entries under addition topic. ×

21
appendage(noun, drop, part, help, cover)
18
accessory(noun, adjective, drop, part, help)
17
auxiliary(noun, adjective, part, help, associate)
14
supplement(noun, act, part, help, increase)
13
appendix(noun, help, increase, delay, development)
12
appurtenance(noun, part, help, increase, supply)
12
extra(noun, adjective, part, increase)
11
attachment(noun, act, increase, measure, extra)
11
addendum(noun, act, help, increase, delay)
11
ancillary(noun, adjective, assistant, attachment)
10
extension(noun, part, increase, spread, extra)
9
annex(noun, part, increase, delay, development)
9
associate(noun, help, supporter, subordinate)
8
accompaniment(noun, part, accessory, attachment)
8
subsidiary(noun, adjective, increase, extra)
6
subordinate(noun, help, aid, associate)
6
complement(noun, help, increase, extra)
5
augmentation(noun, increase, delay, development, spread)
5
detail(noun, action, help, cause, thing)
5
fixture(noun, part, extra, extension)
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APASmart Define. (2015). adjunct thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/adjunct/thesaurus/synonyms
ChicagoSmart Define. 2015. "adjunct thesaurus" https://smartdefine.org/adjunct/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, adjunct thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/adjunct/thesaurus/synonyms>.
MLASmart Define. "adjunct thesaurus" 22 December 2015. Web. 21 September 2026. <https://smartdefine.org/adjunct/thesaurus/synonyms>