imperceptibly
She claimed that the skin cream had, indiscernibly to the viewer, worked on her face.
He makes these connections in his work only vaguely, almost indiscernibly.
The image shrinks into an indiscernibly tiny point.
The pitch of the note was indiscernibly low.
SMART Vocabulary: related words and phrases Indistinct & invisible
blur
blurrily
blurry
cloudily
fuzzily
fuzziness
fuzzy
indiscernible
melt
not see hide nor hair of someoneidiom
smudged
super-subtle
swimmy
unapparent
unclear
unfocused
vague
vapory
viewless
washy
You can also find related words, phrases, and synonyms in the topics:
Extremely small