indistinguishable

Meanings

Adjective Satellite

• exactly alike; incapable of being perceived as different
  • "they wore indistinguishable hats"

Adjective

• not capable of being distinguished or differentiated
  • "the two specimens are actually different from each other but the differences are almost indistinguishable"
  • "the twins were indistinguishable"
  • "a colorless person quite indistinguishable from the colorless mass of humanity"

Synonyms

identical, undistinguishable

Antonyms

distinguishable