2
little
2
lost(adjective, missing)
2
sight
2
trivial
2
undiscernible
2
unintelligible(obscure, dark, superior, mysterious, supernatural)
2
unperceived
2
unremarkable(adjective, imperceptible)
2
unspied
2
vague
2
vaporous(adjective, hidden, unable)
1
mysterious(obscure, dark, deep, unknown, heavenly)
1
abnormal(obscure, dark, superior, vague, heavenly)
1
absent(confused, out, hidden, lost, unchangeable)
1
abstruse(obscure, dark, deep, mysterious, unknown)
1
adrift(confused, out, hidden, lost, unchangeable)
1
airy
1
anonymous
1
arcane(obscure, deep, mysterious)
1
astray(confused, out, hidden, lost, unchangeable)
10 years ago|20k views|share |citing 
APASmart Define. (2015). invisible thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/invisible/thesaurus/synonyms
ChicagoSmart Define. 2015. "invisible thesaurus" https://smartdefine.org/invisible/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, invisible thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/invisible/thesaurus/synonyms>.
MLASmart Define. "invisible thesaurus" 7 December 2015. Web. 24 September 2026. <https://smartdefine.org/invisible/thesaurus/synonyms>