Definitions
1.adjectiveDark, faint or indistinct.
2.adjectiveHidden, out of sight or inconspicuous.
3.adjectiveDifficult to understand."an obscure passage or inscription; The speaker made obscure references to little-known literary works."
4.adjectiveNot well-known.
5.adjectiveUnknown or uncertain; unclear."The etymological roots of the word "blizzard" are obscure and open to debate."
6.nounOne who, or that which, obscures.