Antonyms of adj pigheaded

1 sense of pigheaded

Sense 1
bullheaded, bullet-headed, pigheaded -- (obstinate and stupid)

INDIRECT (VIA stubborn) -> docile -- (willing to be taught or led or supervised or directed; "the docile masses of an enslaved nation")

Similarity of adj pigheaded

1 sense of pigheaded

Sense 1
bullheaded, bullet-headed, pigheaded -- (obstinate and stupid)
       => stubborn (vs. docile), obstinate, unregenerate -- (tenaciously unwilling or marked by tenacious unwillingness to yield)