v. t. [ imp. & p. p. Befogged p. pr. & vb. n. Befogging ] 1. To involve in a fog; -- mostly as a participle or part. adj. [ 1913 Webster ]

2. Hence: To confuse; to mystify. [ 1913 Webster ]

adj. confused and vague; used especially of thinking. a mind befogged with drink
Syn. -- addled, befuddled, muddled, muzzy, unclear, woolly, wooly, woolly-headed, wooly-minded. [ WordNet 1.5 ]