0
creep
0
degree
0
delicately
0
discreetly
0
elusively
0
ephemerally
0
extent
0
feebly
0
imperfectly
0
inch by inch
0
inchmeal
0
inconsiderably
0
inconspicuous
0
inconspicuously(adverb, uncertainly, vaguely, indiscernibly, untraceably)
0
indistinctly(adverb, uncertainly, indiscernibly, untraceably)
0
indistinguishably
0
inexpressibly
0
invisible
0
just barely(adverb, slowly)
0
keel
13 years ago|2.8k views|share |citing 
APASmart Define. (2013). imperceptibly thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/imperceptibly/thesaurus/synonyms
ChicagoSmart Define. 2013. "imperceptibly thesaurus" https://smartdefine.org/imperceptibly/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2013, imperceptibly thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/imperceptibly/thesaurus/synonyms>.
MLASmart Define. "imperceptibly thesaurus" 28 June 2013. Web. 25 September 2026. <https://smartdefine.org/imperceptibly/thesaurus/synonyms>