imperceptible

im·per·cep·ti·ble  (mpr-spt-bl)

adj.

1. Impossible or difficult to perceive by the mind or senses: an imperceptible drop in temperature.

2. So subtle, slight, or gradual as to be barely perceptible: an imperceptible nod.

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imper·cepti·bili·ty, imper·cepti·ble·ness n.

imper·cepti·bly adv.

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imperceptible [ˌɪmpəˈsɛptɪb^əl]

adj

too slight, subtle, gradual, etc., to be perceived

imperceptibility , imperceptibleness n

imperceptibly  adv

Thesaurus

Adj.

1.

imperceptible - impossible or difficult to perceive by the mind or senses; "an imperceptible drop in temperature"; "an imperceptible nod"; "color is unperceivable to the touch" unperceivable inaudible, unhearable - impossible to hear; imperceptible by the ear; "an inaudible conversation" impalpable - imperceptible to the senses or the mind; "an impalpable cloud"; "impalpable shadows"; "impalpable distinctions"; "as impalpable as a dream" invisible, unseeable - impossible or nearly impossible to see; imperceptible by the eye; "the invisible man"; "invisible rays"; "an invisible hinge"; "invisible mending" perceptible - capable of being perceived by the mind or senses; "a perceptible limp"; "easily perceptible sounds"; "perceptible changes in behavior"

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imperceptible

adjective undetectable, slight, subtle, small, minute, fine, tiny, faint, invisible, gradual, shadowy, microscopic, indistinguishable, inaudible, infinitesimal, teeny-weeny, unnoticeable, insensible, impalpable, indiscernible, teensy-weensy, inappreciable His hesitation was almost imperceptible.
visible, noticeable, discernible, audible, detectable, perceptible, distinguishable

Translations

imperceptible [ˌɪmpəˈseptəbl] ADJ (gen) → imperceptible

imperceptible [ˌɪmpə^rˈsɛptɪb^əl] adj → imperceptible

imperceptible

adj (→ für jdn) → nicht wahrnehmbar; difference, movement also → unmerklich; sight also → unsichtbar; sound also → unhörbar

imperceptible [ˌɪmpəˈsɛptəbl] adj → impercettibile