| unrecognizable(adjective, indistinct) |
| all one(verb, phrasal verb, equality) |
| all the same(expression, idiom, equality) |
| analogous(adjective, like, equal, even, similar) |
| assonant(adjective, uniform) |
| blear |
| cloudy(adjective, obscure, vague, unclear, hazy) |
| consonant(adjective, like, uniform, identical, interchangeable) |
| convertible(adjective, like, equal, similar, identical) |
| double(adjective, like, exact, equal, even) |
| drab(adjective, pale, bland, monotonous, neutral) |
| dull(adjective, monotonous, neutral, colorless, expressionless) |
| equivocal(unclear, indistinct) |
| even(adjective, like, equal, uniform, similar) |
| exactly alike(expression, idiom) |
| filmy |
| formless(unclear, indistinct) |
| imponderable(adjective, knowledge, imperceptible) |
| imprecise(adjective, unclear, hazy, indistinct, indeterminate) |
| indistinctive(adjective, neutral) |