Synonyms of imperceptible in English:

imperceptible


See definition of imperceptible

adjective

1‘the change was slow and imperceptible’

SYNONYMS
unnoticeable, undetectable, indistinguishable, indiscernible, unapparent, inappreciable, invisible, inaudible, impalpable, unobtrusive, impossible to detect
slight, small, subtle, faint, fine, inconsequential, negligible, tiny, minute, minuscule, microscopic, nanoscopic, infinitesimal
indistinct, unclear, obscure, vague, indefinite, shadowy, hard to make out
ANTONYMS

obvious, noticeable