11
invisible
6
ambiguous
5
foggy
3
blurry
3
indistinct
2
hidden
2
bleary
2
indistinguishable
2
insignificant
2
melted
2
unseeable
1
buried
1
concealed
1
imperceptible
1
inconspicuous
1
indefinite
1
indeterminate
1
indiscernible
1
latent
1
under the radar
<123>
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APASmart Define. (2016). visual thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/visual/thesaurus/antonyms
ChicagoSmart Define. 2016. "visual thesaurus" https://smartdefine.org/visual/thesaurus/antonyms (accessed September 22, 2026).
HarvardSmart Define 2016, visual thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/visual/thesaurus/antonyms>.
MLASmart Define. "visual thesaurus" 31 March 2016. Web. 22 September 2026. <https://smartdefine.org/visual/thesaurus/antonyms>