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.


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  • imperceptible — [ ɛ̃pɛrsɛptibl ] adj. • 1377; lat. médiév. imperceptibilis 1 ♦ Qu il est impossible de percevoir par les seuls organes des sens. Imperceptible à l œil nu. ⇒ invisible. Son imperceptible. ⇒ inaudible. « le pouls était imperceptible » (Baudelaire) …   Encyclopédie Universelle

  • imperceptible — adjetivo 1. (antepuesto / pospuesto) Que no se puede percibir con los sentidos o la atención, o que es difícil de apreciar o distinguir: Me hizo una señal imperceptible con los ojos, nadie se dio cuenta. Ese imperceptible guiño, ¿será un tic… …   Diccionario Salamanca de la Lengua Española

  • 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.… …   The Collaborative International Dictionary of English

  • imperceptible — Imperceptible. adj. de tout genre. Qui ne peut estre apperceu. Cela est imperceptible. Il s estend aussi aux autres sens, & aux choses de l esprit. L odeur de cette fleur est imperceptible. dans cette piece d éloquence l art est presque… …   Dictionnaire de l'Académie française

  • imperceptible — (adj.) early 15c., from Fr. imperceptible (early 15c.), from M.L. imperceptibilis, from assimilated form of in not, opposite of (see IN (Cf. in ) (1)) + perceptibilis, from L. percept , pp. stem of percipere (see PERCEIVE (Cf. perceive)). Related …   Etymology dictionary

  • imperceptible — imperceptible, insensible, impalpable, intangible, inappreciable, imponderable all mean incapable of being apprehended by the senses or intellect (as in form, nature, extent, or degree) even though known to be real or existent. Except for this… …   New Dictionary of Synonyms

  • imperceptible — I adjective blurred, concealed, dim, enshrouded, faint, hazy, hidden, ill defined, impalpable, inappreciable, inaudible, indiscernible, indistinct, inscrutable, intangible, invisible, minuscule, minute, nebulous, obscure, scant, screened, shadowy …   Law dictionary

  • imperceptible — [adj] hard to sense; faint ephemeral, evanescent, fine, gradual, impalpable, imponderable, inappreciable, inaudible, inconsiderable, inconspicuous, indiscernible, indistinct, indistinguishable, infinitesimal, insensible, insignificant, invisible …   New thesaurus

  • imperceptible — Imperceptible, Quod percipi non potest, Imperceptum …   Thresor de la langue françoyse

  • imperceptible — adj. Que no se puede percibir …   Diccionario de la lengua española

  • imperceptible — ► ADJECTIVE ▪ so slight, gradual, or subtle as not to be perceived. DERIVATIVES imperceptibly adverb …   English terms dictionary

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