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Definition of indistinguishable

indistinguishable

/ˌɪn.dɪˈstɪŋ.ɡwɪ.ʃə.bəl/
in · dis · tin · guish · a · ble
Adverb:indistinguishably
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indistinguishable Lexical Profile

• adjective

1

Not able to be identified as different or distinct; appearing identical.

Example

"The expert forged a copy that was virtually indistinguishable from the original painting."

2

Lacking clear form, sharpness, or definition; impossible to perceive clearly.

Example

"Through the thick fog, the distant coastline became a grey, indistinguishable blur."

Synonyms
View all synonyms for indistinguishable
Antonyms
View all antonyms for indistinguishable

• Rhymes for indistinguishable

• Nearby Words

indistinct
indistinctly
indistinctness
indistinguishable
indistinguishably
individual
individualism

Word Origin & Etymology

Formed in the late 16th century from the negative prefix 'in-' and 'distinguishable', ultimately tracing back to the Latin verb 'distinguere', meaning 'to separate between' or 'to mark off'.

Usage Trend

Historical frequency of usage in published text.

180019102020
Data source: Google Books Ngram Viewer

Cite this Entry

Wordmom. (2026). Definition of Indistinguishable. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/indistinguishable
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