As an adjective:
* The antique shop was filled with obscure trinkets and forgotten treasures. (meaning: unknown or little-known)
* The author used an obscure literary device that most readers wouldn't understand. (meaning: not well-known or understood)
* Her musical tastes were quite obscure, favoring avant-garde jazz and experimental electronica. (meaning: not mainstream or popular)
* The hikers stumbled upon an obscure trail that led to a breathtaking waterfall. (meaning: hidden or difficult to find)
As a verb:
* The fog obscured the distant mountains. (meaning: to hide or make unclear)
* The government tried to obscure the truth about the scandal. (meaning: to conceal or hide something)
* Her emotions were obscured by a mask of indifference. (meaning: to cover or hide something)
Important note: "Obscure" can have a negative connotation when referring to something being unknown or unimportant. However, it can also be used in a more neutral or even positive way, as in the example of the hikers discovering an obscure trail.