3
extra(new, also, too, yet, added)
3
lateral(adjective, cross, side)
2
also(extra, besides, too, yet, likewise)
2
and all(expression, extra, also, too, yet)
2
as well(expression, also, besides, too, likewise)
2
besides(also, too, likewise, conjointly, independently)
2
else
2
further(new, extra, also, too, added)
2
item
2
more(new, extra, also, too, added)
2
on top of(expression, idiom, also, besides, conjointly)
2
plus(also, besides, too, likewise, conjointly)
2
sidelong(adjective, cross, side)
2
to boot(expression, also, besides, too, likewise)
2
too
1
above
1
additional(adjective, spare, extra, supplementary, added)
1
adjacent(adjective, cross, side, parallel, subsequent)
1
again
1
all included
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APASmart Define. (2015). on the side thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/on_the_side/thesaurus/synonyms
ChicagoSmart Define. 2015. "on the side thesaurus" https://smartdefine.org/on_the_side/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, on the side thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/on_the_side/thesaurus/synonyms>.
MLASmart Define. "on the side thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/on_the_side/thesaurus/synonyms>