obscurity

Blackness is a related term of obscurity.

As nouns the difference between blackness and obscurity

is that blackness is (uncountable) the state, property or quality of being black while obscurity is (label) darkness; the absence of light.

As nouns the difference between mystery and obscurity

is that mystery is something secret or unexplainable; an unknown while obscurity is darkness; the absence of light.

Problem is a related term of obscurity.

As nouns the difference between problem and obscurity

is that problem is problem while obscurity is (label) darkness; the absence of light.

As nouns the difference between nullity and obscurity

is that nullity is the state of being null, or void, or invalid while obscurity is darkness; the absence of light.

As nouns the difference between puzzle and obscurity

is that puzzle is anything that is difficult to understand or make sense of while obscurity is darkness; the absence of light.

As a verb puzzle

is to perplex (someone).

As nouns the difference between dark and obscurity

is that dark is a complete or (more often) partial absence of light while obscurity is darkness; the absence of light.

As an adjective dark

is having an absolute or (more often) relative lack of light.

Nothing is a related term of obscurity.

As nouns the difference between nothing and obscurity

is that nothing is something trifling, or of no consequence or importance while obscurity is (label) darkness; the absence of light.

As a pronoun nothing

is not any thing; no thing.

As an adverb nothing

is (archaic) not at all; in no way.

As nouns the difference between cipher and obscurity

is that cipher is a numeric character while obscurity is darkness; the absence of light.

As a verb cipher

is to calculate.

Dusk is a related term of obscurity.

As nouns the difference between dusk and obscurity

is that dusk is a period of time occurring at the end of the day during which the sun sets while obscurity is (label) darkness; the absence of light.

As a verb dusk

is to begin to lose light or whiteness; to grow dusk.

As an adjective dusk

is tending to darkness or blackness; moderately dark or black; dusky.

Dimness is a related term of obscurity.

As nouns the difference between dimness and obscurity

is that dimness is the state of being dim, poorly illuminated, almost dark while obscurity is (label) darkness; the absence of light.