1.Definition: difficult to find
"An obscure retreat"
2.Definition: marked by difficulty of style or expression
"Those who do not appreciate Kafka's work say his style is obscure"
3.Definition: not clearly expressed or understood
"An obscure turn of phrase", "An impulse to go off and fight certain obscure battles of his own spirit"
4.Definition: not drawing attention
"An obscure flaw"
6.Definition: remote and separate physically or socially
"An obscure village"