3
unapparent
2
indemonstrable
1
ambiguous
1
dim
1
faint
1
hazy
1
impalpable
1
indefinite
1
indistinct
1
insensible
1
invisible
1
obscure
1
unclear
1
unprovable
0
imperceptible
0
barely audible(expression, idiom)
0
barely visible(expression, idiom)
0
fuzzy
0
intangible
0
shadowy
<12>
13 years ago|2.7k views|share |citing 
APASmart Define. (2013). unobvious thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/unobvious/thesaurus/synonyms
ChicagoSmart Define. 2013. "unobvious thesaurus" https://smartdefine.org/unobvious/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2013, unobvious thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/unobvious/thesaurus/synonyms>.
MLASmart Define. "unobvious thesaurus" 28 June 2013. Web. 20 September 2026. <https://smartdefine.org/unobvious/thesaurus/synonyms>