48 entries under slight topic. ×

21
indistinct(adjective, dull, hard, weak, soft)
15
faint(adjective, calm, dull, quiet, weak)
15
intangible(adjective, knowledge, fine, subtle)
11
inappreciable(adjective, hard, light, knowledge)
10
subtle(adjective, hard, fine, thin)
9
minute(adjective, hard, soft, gentle)
8
inconsiderable(adjective, hard, soft, gentle)
8
inconspicuous(adjective, hard, fine, thin)
8
microscopic(adjective, hard, big, limited)
6
insignificant(adjective, hard, soft, gentle)
4
fine(adjective, hard, thin, faint)
4
tenuous(weak, fine, thin, pale)
3
negligible(adjective, fine, thin, short)
3
quiet(adjective, calm, dull, weak, smooth)
2
ethereal(adjective, fine, thin, insubstantial)
2
hardly any(expression, adjective, light, soft)
2
light(adjective, calm, dull, weak, soft)
2
thin(weak, fine, short, insufficient)
1
delicate(adjective, calm, dull, quiet, weak)
1
inconsequential(adjective, short, insignificant, insufficient)
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APASmart Define. (2015). imperceptible thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/imperceptible/thesaurus/synonyms
ChicagoSmart Define. 2015. "imperceptible thesaurus" https://smartdefine.org/imperceptible/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, imperceptible thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/imperceptible/thesaurus/synonyms>.
MLASmart Define. "imperceptible thesaurus" 13 April 2015. Web. 28 September 2026. <https://smartdefine.org/imperceptible/thesaurus/synonyms>