1. (noun) the quality of being unclear or abstruse and hard to understand

• abstruseness
• obscureness
• reconditeness

2. (noun) the state of being indistinct or indefinite for lack of adequate illumination

• obscureness

1. (noun) an obscure and unimportant standing; not well known

• anonymity
• namelessness
• humbleness
• lowliness
• obscureness
• unimportance
• limbo
• oblivion
• nowhere

1. (noun) the quality of being unclear or abstruse and hard to understand

• incomprehensibility

2. (noun) an obscure and unimportant standing; not well known

• standing

3. (noun) the state of being indistinct or indefinite for lack of adequate illumination

• semidarkness

1. (noun) the quality of being unclear or abstruse and hard to understand

• abstruse
• abstruse
• deep
• deep
• recondite
• recondite
• dark
• dark
• obscure
• obscure
• obscure
• obscure
• vague
• vague

2. (noun) an obscure and unimportant standing; not well known

• obscure
• unknown
• unsung

1. (noun) the quality of being unclear or abstruse and hard to understand

• clarity
• clearness
• limpidity
• lucidity
• lucidness
• pellucidity

2. (noun) an obscure and unimportant standing; not well known

• prominence