Dictionary Definition
imperceptible adj : impossible or difficult to
perceive by the mind or senses; "an imperceptible drop in
temperature"; "an imperceptible nod"; "color is unperceivable to
the touch" [syn: unperceivable] [ant:
perceptible]
User Contributed Dictionary
English
Adjective
imperceptible- Not perceptible,
not detectable, too
small in magnitude to be observed.
- We all missed the imperceptible shake of his head as he tried to warn us without being seen.
Adjective
- Imperceptible
Synonyms, Antonyms and Related Words
atomic,
behind the curtain, behind the scenes, camouflaged, concealed, corpuscular, disguised, embryonic, ephemeral, evanescent, faint, fugitive, germinal, granular, hidden, ill-defined, impalpable, imponderable, inappreciable, inaudible, inconsiderable, inconspicuous, indiscernible, indistinct, indistinguishable,
infinitesimal,
insensible, insignificant, intangible, invisible, latent, microcosmic, microscopic, minuscule, minute, molecular, momentary, obscure, out of sight, secret, sightless, slight, subatomic, submerged, subtle, tenuous, thin, tiny, trivial, ultramicroscopic,
unapparent, unappreciable, unbeheld, unbeholdable, unclear, undiscernible, undistinguishable,
unnoticeable,
unnoticed, unobservable, unobserved, unperceivable, unperceived, unrealized, unseeable, unseen, unviewed, unwitnessed, vague, viewless