Wordnet 3.0
ADJECTIVE (1)
1. 
 confused and vague; 
 used especially of thinking; 
- Example: "muddleheaded ideas"- Example: "your addled little brain"- Example: "woolly thinking"- Example: "woolly-headed ideas"[syn: addled, befuddled, muddled, muzzy, woolly, wooly, woolly-headed, wooly-minded]
WordNet (r) 3.0 (2006):
woolly-headed
    adj 1: confused and vague; used especially of thinking;
           "muddleheaded ideas"; "your addled little brain"; "woolly
           thinking"; "woolly-headed ideas" [syn: addled,
           befuddled, muddled, muzzy, woolly, wooly,
           woolly-headed, wooly-minded]