indistinguishable (adj.)

• alike
• blear
• bleary
• blurred
• blurry
• confused
• consubstantial
• dark
• dim
• duplicate
• equal
• equivalent
• faint
• feeble
• filmy
• foggy
• fuzzy
• hazy
• identical
• ill-defined
• imperceptible
• inconspicuous
• indefinite
• indiscernible
• indistinct
• inseparable
• interchangeable
• like
• misty
• obscure
• one
• pale
• same
• selfsame
• shadowy
• standard
• stereotyped
• tantamount
• twin
• uncertain
• unclear
• undefined
• undifferentiated
• undistinguishable
• undistinguished
• uniform
• unrecognizable
• vague
• weak