Superlative form of obscure: most obscure.(adjective)
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Use "obscurest" in a sentence
"Devil be damned! he shouted his loudest and most belligerent, as he ruffled like a bravo at the gutter-cat beneath him, so that he sent her crouching, with startlement, lower to the floor, her ears wilting rigidly flat and down, her tail lashing, her head turning about the room so that her eyes might penetrate its obscurest corners in quest of the human whose voice had so cried out."
" We can't help but keep writing, this art form of you not dead, we still clinging to obscurest hope."
"And if I see a single mention of the Chanler name in the obscurest fish wrapper, I shall sue you for everything you have, do you understand?"