Antonyms of adj muddleheaded

1 sense of muddleheaded

Sense 1
addlebrained, addlepated, puddingheaded, muddleheaded -- (stupid and confused; "blathering like the addlepated nincompoop that you are"; "a confused puddingheaded, muddleheaded fellow"- Isaac Sterne)

INDIRECT (VIA confused) -> clearheaded, clear-thinking -- (not mentally confused; able to think clearly and act intelligently)

Similarity of adj muddleheaded

1 sense of muddleheaded

Sense 1
addlebrained, addlepated, puddingheaded, muddleheaded -- (stupid and confused; "blathering like the addlepated nincompoop that you are"; "a confused puddingheaded, muddleheaded fellow"- Isaac Sterne)
       => confused (vs. clearheaded) -- (mentally confused; unable to think with clarity or act intelligently; "the flood of questions left her bewildered and confused")