4
supplementary(adjective, new, extra, additional, added)
3
added(verb, new, extra, additional)
3
additional(adjective, extra, supplementary, added)
3
affixed(verb, new, extra, added, option)
2
adjoined
2
annexed
2
attached
2
joined
2
subjoined
2
supplemented
1
ancillary
1
applied
1
connected
1
enclosed
1
extra(new, additional, added)
1
fastened
1
fixed
1
included
1
tagged
1
tallied
11 years ago|2.6k views|share |citing 
APASmart Define. (2015). appended thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/appended/thesaurus/synonyms
ChicagoSmart Define. 2015. "appended thesaurus" https://smartdefine.org/appended/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, appended thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/appended/thesaurus/synonyms>.
MLASmart Define. "appended thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/appended/thesaurus/synonyms>