Indistinguishable

/[ˌɪn.dɪˈstɪŋ.ɡwɪ.ʃə.bl̩]/ adj, noun

adj, noun ·Moderate ·College level

Definitions

Noun
  1. 1
    Any of a set of things that cannot be distinguished.
Adjective
  1. 1
    Not distinguishable; not capable of being perceived, known, or discriminated as separate and distinct

    "The banks of the old railway are now so thickly overgrown with trees as to be almost indistinguishable from the surrounding countryside, and the most obvious landmarks are the walls of a bridge over a lane, and stone bridge, still intact, where a cart road crosses the cutting, close to the site of the former Clifton South Junction."

  2. 2
    Not capable of being perceived or known.
Adjective
  1. 1
    not capable of being distinguished or differentiated wordnet
  2. 2
    exactly alike; incapable of being perceived as different wordnet

Synonyms

All synonyms
samealikeall oneall the sameblearbleared

Example

More examples

"The twins are indistinguishable from each other."

Etymology

From in- + distinguishable.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.