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

In evaluating the yet indiscernible living experience, I was moved by the wide open landscape directly behind the property: 2,200 square meters of easement open land to augment the site's 2,200-sq-m land area.

California meets the Philippines in Marisol Ramirez's home

By degrees Hammoud returns to a face-up pose, back somewhat arched, the way it might in free-fall, expression indiscernible as her eyes stare into the audience.

Danya Hammoud and the strict necessity of the gesture

Necessarily omitting films and their hypnotic audio, the book still offers collages that are like little pictorial jewel boxes, full of almost indiscernible details, and the inkblot drawings Conner made late in his career, whose nearly microscopic Rorschach figures can induce a practically hallucinatory visual immersion.--CHRISTOPHER LYON

In Bruce Conner: It's All True

For organizations seeking a complete warehouse management and transportation system, this alliance will provide an indiscernible blending of technologies that will meet their business demands in a highly adaptable and supportable fashion.

Invata Intralogistics Partners with Agile Network

The development of the Palace Theatre would generate between three and nine traffic movements in the morning and evening peak, which officers described as "negligible and indiscernible in normal daily traffic flows".

Kingsgate in balance; Palace Theatre decision nears

We used inexact adders to process images and found that relative errors up to 0.54 percent were almost indiscernible, and relative errors as high as 7.5 percent still produced discernible images."

'Inexact' computer chip 15 times more efficient than current models unveiled

But because Everton lost, because he wasn't Neville Southall, he was still held to be in some indiscernible way to be culpable.

Merciless spotlight on Jones

For example, the Kyoto Protocol would have cost trillions of dollars, but would have achieved a practically indiscernible difference in stemming the rise in global temperature.

Green bootleggers and Baptists