obscure

"an obscure turn of phrase"; "an impulse to go off and fight certain obscure battles of his own spirit"; "their descriptions of human behavior become vague, dull, and unclear"; "vague...forms of speech...have so long passed for mysteries of science";

"much that was dark is now quite clear to me"; "those who do not appreciate Kafka's work say his style is obscure";

"hidden valleys"; "a hidden cave"; "an obscure retreat";

"an obscure family"; "unsung heroes of the war";

"an unnoticeable cigarette burn on the carpet"; "an obscure flaw";

"existed over the centuries as a world apart"; "preserved because they inhabited a place apart"; "tiny isolated villages remote from centers of civilization"; "an obscure village";

"The stars are obscured by the clouds"; "the big elm tree obscures our view of the valley";

"Her remarks confused the debate"; "Their words obnubilate their intentions";

"The distinction was obscured";

"a hidden message"; "a veiled threat";