Synonyms of imperceptible

1 Syllable

slow, faint, few, toyer, slight, fine, small

2 Syllables

faintest, vague, snubber, slowest, littler, fewest, perdu, trivial, tiny, fainter, slower, smallish, shrimpy, fewer, subtle, gradual, unseen

3 Syllables

nonvocal, unseeable, wraithlike, curtained, minute, shortlived, shadowy, unstressed, indistinct

4 Syllables

evanescent, unapparent, unviewable, unhearable, insensible, ephemeral, unaccented, intangible, microscopic, momentary, inconspicuous, impalpable, negligible, inaudible, invisible

5 Syllables

undetectable, insignificant, unperceivable, tortoiselike, unnoticeable, inappreciable, indiscernible, imperceivable, imponderable

6 Syllables

infinitesimal, inconsiderable, indistinguishable