1. the quality or state of being difficult to understand or unclear
2. the quality or state of being unknown or not well-known

Examples

• The obscureness of the ancient text made translation extremely difficult.
• His writing suffered from unnecessary obscureness that confused readers.
• The poet lived in complete obscureness until her work was discovered decades later.
• The obscureness of the instructions led to many assembly errors.
• She preferred the obscureness of small-town life to big-city fame.
• The legal document’s obscureness required expert interpretation.