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The ClueRotten (6 letter answer)
NotesThe answer ADDLED is seen occasionally, appearing about once every 850 puzzles.
Like many a ditz
Non compos mentis
DefinitionADDLE as a verb:
1. (addle, muddle, puddle) = mix up or confuse; "He muddled the issues"
2. become rotten; "addled eggs"
ADDLED as an adjective:
1. (of eggs) no longer edible; "an addled egg"
2. (addled, befuddled, muddled, muzzy, woolly, wooly, woolly-headed, wooly-minded) = confused and vague; used especially of thinking; "muddleheaded ideas"; "your addled little brain"; "woolly thinking"; "woolly-headed ideas"