13 entries under borderline topic. ×

16
peripheral(adjective, slight, edge, outside)
12
minor(adjective, slight, small, unimportant, trivial)
11
minimal(adjective, slight, trivial, trifling)
10
insignificant(adjective, slight, small, unimportant, trivial)
10
small(adjective, slight, unimportant, trivial, remote)
9
negligible(adjective, slight, small, unimportant, trivial)
6
rimming(adjective, slight, edge)
4
low(adjective, slight, trivial, negligible)
4
on the edge(expression, adjective, idiom, slight)
3
bordering(adjective, slight)
3
passable
2
nonessential(slight, small, unimportant)
1
verging(adjective, slight)
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APASmart Define. (2015). marginal thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/marginal/thesaurus/synonyms
ChicagoSmart Define. 2015. "marginal thesaurus" https://smartdefine.org/marginal/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, marginal thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/marginal/thesaurus/synonyms>.
MLASmart Define. "marginal thesaurus" 13 April 2015. Web. 22 September 2026. <https://smartdefine.org/marginal/thesaurus/synonyms>