21 entries under noun topic. ×

9
sidenote(information, note, addition, side)
7
note made in a side margin(expression, information, note, side)
7
notation made in a side margin(expression, information, note, side)
5
minor related mention(expression, mention, comment, remark)
4
obiter dictum(expression, idiom, mention, comment)
4
passing remark(expression, mention, comment, remark)
3
comment(mention, remark, reference, input)
3
remarque(mention, comment, remark, reference)
2
addendum(information, note, addition)
2
addition(information, note)
2
afterthought(information, note, addition)
2
extra(information, note, addition)
2
input(mention, comment, remark, reference)
2
note(information, addition)
2
observation(mention, comment, remark, reference)
2
postscript(information, note, addition)
2
reconsideration(information, note, addition)
2
reflection(information, note, addition)
2
remark(information, note, addition)
2
review(information, note, addition)
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APASmart Define. (2013). side note thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/side_note/thesaurus/synonyms
ChicagoSmart Define. 2013. "side note thesaurus" https://smartdefine.org/side_note/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2013, side note thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/side_note/thesaurus/synonyms>.
MLASmart Define. "side note thesaurus" 18 May 2013. Web. 22 September 2026. <https://smartdefine.org/side_note/thesaurus/synonyms>