indistinguishable

[ in-di-sting-gwi-shuh-buh l ]
/ ˌɪn dɪˈstɪŋ gwɪ ʃə bəl /

adjective

not distinguishable.
indiscernible; imperceptible.

Origin of indistinguishable

First recorded in 1600–10; in-3 + distinguishable
Related formsin·dis·tin·guish·a·ble·ness, in·dis·tin·guish·a·bil·i·ty, nounin·dis·tin·guish·a·bly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for indistinguishable

British Dictionary definitions for indistinguishable

indistinguishable

/ (ˌɪndɪˈstɪŋɡwɪʃəbəl) /

adjective

(often postpositive foll by from) identical or very similar (to)twins indistinguishable from one another
not easily perceptible; indiscernible

Derived Formsindistinguishability or indistinguishableness, nounindistinguishably, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012