in·dis·cern·i·ble

(ĭn′dĭ-sûr′nə-bəl)

adj.

Difficult or impossible to discern or perceive; imperceptible: an indiscernible increase in temperature.

in′dis·cern′i·bly adv.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

indiscernible

(ˌɪndɪˈsɜːnəbəl)

adj

1. incapable of being discerned

2. scarcely discernible or perceptible

ˌindisˈcernibleness, ˌindiscerniˈbility n

ˌindisˈcernibly adv

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

in•dis•cern•i•ble

(ˌɪn dɪˈsɜr nə bəl, -ˈzɜr-)

adj.

not discernible; not able to be seen or perceived clearly; imperceptible.

[1625–35]

ThesaurusAntonymsRelated WordsSynonymsLegend:

Adj.	1.	indiscernible - difficult or impossible to perceive or discern; "an indiscernible increase in temperature" discernable, discernible - perceptible by the senses or intellect; "things happen in the earth and sky with no discernible cause"; "the newspaper reports no discernible progress in the negotiations"; "the skyline is easily discernible even at a distance of several miles"
	2.	indiscernible - barely able to be perceived; "the transition was almost indiscernible"; "an almost insensible change" undetectable, insensible imperceptible, unperceivable - impossible or difficult to perceive by the mind or senses; "an imperceptible drop in temperature"; "an imperceptible nod"; "color is unperceivable to the touch"

indiscernible

adjective invisible, hidden, imperceptible, indistinguishable, indistinct, impalpable, unapparent, undiscernible The signs were so concealed as to be almost indiscernible.
clear, apparent, visible, distinct, discernible, perceptible, distinguishable

Collins Thesaurus of the English Language – Complete and Unabridged 2nd Edition. 2002 © HarperCollins Publishers 1995, 2002

indiscernible

adjective

Incapable of being apprehended by the mind or the senses:

impalpable, imperceptible, imponderable, inappreciable, indistinguishable, insensible, intangible, invisible, unnoticeable, unobservable.

Translations

indiscernible

[ˌɪndɪˈsɜːnəbl] ADJ → imperceptible

Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005

indiscernible

adj → nicht erkennbar or sichtbar; improvement, change etc also → unmerklich; noise → nicht wahrnehmbar; to be almost indiscernible → kaum zu erkennen sein; (noise) → kaum wahrzunehmen sein

Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007

indiscernible

[ˌɪndɪˈsɜːnəbl] adj → indiscernibile

Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995

Mentioned in

References in classic literature

For at first he had lain outstretched on the ground, hidden and indiscernible, like those who lie in wait for swamp- game.

View in context

It was all but indiscernible, but his practised eye had sketched the hidden formation which it signified.

View in context

As his eyes came level with the rail, so that he could see inboard, it seemed to him that he saw a dim, almost indiscernible haze.

View in context

The Priority of Natures against the Identity of Indiscernibles: Alexander of Aphrodisias, Yahyab.

JOURNAL OF THE HISTORY OF PHILOSOPHY: Vol. 57, No. 1, April 2019

Este es el principio del celebre problema de los indiscernibles de Danto.

De la "mera cosa" al significado de la obra de arte en la filosofia de Arthur Danto

There is good reason to reject the Identity of Indiscernibles and little appeal in endorsing a controversial piece of metaphysics to avoid the problem at hand.

Robin Jeshion, ed.: New Essays on Singular Thought

(47) While I am sympathetic to this claim, it is worth pointing out that Sophistical Refutations 24, 179a37-9 and Physics III 3, 202b14-16 seem to come very close to stating the Identity of Indiscernibles when they claim that only things that have the same being or definition are indiscernible (i.e., [??]x[??]y([??]F(Fx [left and right arrow] Fy) [right arrow][R.sub.1]xy), where [R.sub.1]xy means x and y are indistinguishable and one in substance or being).

Aristotle on identity and persistence

Leibniz's principle of the identity of the indiscernibles states that in Nature there are no two real indiscernible beings.

Borges and memetics: the immortality of ideas