24 entries under adverb topic. ×

3
imperceptibly
3
observably
2
unnoticeably
1
inaudibly
1
inconspicuously
1
indistinctly
1
invisibly
1
unclearly
1
undetectably
0
calm
0
damply
0
faintly
0
gently
0
gradually
0
inchmeal
0
increasingly
0
insensibly
0
insensitively
0
intangibly
0
leisurely
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APASmart Define. (2015). perceptibly thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/perceptibly/thesaurus/antonyms
ChicagoSmart Define. 2015. "perceptibly thesaurus" https://smartdefine.org/perceptibly/thesaurus/antonyms (accessed September 28, 2026).
HarvardSmart Define 2015, perceptibly thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/perceptibly/thesaurus/antonyms>.
MLASmart Define. "perceptibly thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/perceptibly/thesaurus/antonyms>