Double-edged and Indistinguishable

Double-edged adjective - Having an often intentionally veiled or uncertain meaning.

Indistinguishable and double-edged are semantically related. In some cases you can use "Indistinguishable" instead an adjective phrase "Double-edged".

Indistinguishable adjective - Not perceptible by a sense or by the mind.

Double-edged and indistinguishable are semantically related. Sometimes you can use "Double-edged" instead an adjective "Indistinguishable".