Antonyms of adj fatheaded

1 sense of fatheaded

Sense 1
blockheaded, boneheaded, duncical, duncish, fatheaded, loggerheaded, thick, thickheaded, thick-skulled, wooden-headed -- ((used informally) stupid)

INDIRECT (VIA stupid) -> smart -- (showing mental alertness and calculation and resourcefulness)

Similarity of adj fatheaded

1 sense of fatheaded

Sense 1
blockheaded, boneheaded, duncical, duncish, fatheaded, loggerheaded, thick, thickheaded, thick-skulled, wooden-headed -- ((used informally) stupid)
       => stupid (vs. smart) -- (lacking or marked by lack of intellectual acuity)