obscurantist

from WordNet (r) 3.0 (2006)
obscurantist
    n 1: a person who is deliberately vague
    
from The Collaborative International Dictionary of English v.0.48
Obscurantist \Ob*scur"ant*ist\, n.
   Same as {Obscurant}. --Ed. Rev.
   [1913 Webster]
    

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