Antonyms of adj bullet-headed

2 senses of bullet-headed

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")

Sense 2
bullet-headed -- (having a small round head)

INDIRECT (VIA brachycephalic) -> dolichocephalic, dolichocranial, dolichocranic -- (having a relatively long head with a cephalic index of under 75)

Similarity of adj bullet-headed

2 senses of bullet-headed

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

Sense 2
bullet-headed -- (having a small round head)
       => brachycephalic (vs. dolichocephalic), brachycranial, brachycranic -- (having a short broad head with a cephalic index of over 80)