the GNU version of the Collaborative International Dictionary of English
v. To involve in a fog; -- mostly as a participle or part. adj.
v. Hence: To confuse; to mystify.
The Century Dictionary and Cyclopedia
To involve in fog; hence, figuratively, to confuse; make obscure or uncertain; bewilder: as, to befog the mind with sophistry.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
v. make less visible or unclear
Word Usage
"In a word, the Barbarian is discoverable everywhere in this, that he cannot make: that he can befog and destroy but that he cannot sustain; and of every Barbarian in the decline or peril of every civilization exactly that has been true."