'Imperceptible' definitions:
Definition of 'imperceptible'
(from WordNet)
adjective
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: imperceptible, unperceivable] [ant: perceptible]
Definition of 'Imperceptible'
From: GCIDE
- Imperceptible \Im`per*cep"ti*ble\, a. [Pref. im- not + perceptible: cf. F. imperceptible.] Not perceptible; not to be apprehended or cognized by the senses; not discernible by the mind; not easily apprehended. [1913 Webster]
- Almost imperceptible to the touch. --Dryden. [1913 Webster]
- Its operation is slow, and in some cases almost imperceptible. --Burke. -- {Im`per*cep"ti*ble*ness}, n. -- {Im`per*cep"ti*bly}, adv. [1913 Webster]
- Their . . . subtilty and imperceptibleness. --Sir M. Hale. [1913 Webster]
Synonyms of 'imperceptible'
From: Moby Thesaurus
- 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