1
airy
1
amount
1
bated(adjective, dull, weak, soft, gentle)
1
behind the curtain(expression, idiom)
1
behind the scenes(expression, idiom)
1
bland(adjective, calm, dull, quiet, weak)
1
clouded
1
cloudy
1
creeping
1
deliberate
1
delicate(adjective, calm, dull, quiet, weak)
1
dilatory
1
disguised
1
dusky
1
elusive
1
exiguous
1
few and far between
1
flickering
1
foggy
1
fugitive
11 years ago|14k views|share |citing 
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>