Antonyms of adj headstrong

1 sense of headstrong

Sense 1
froward, headstrong, self-willed, willful, wilful -- (habitually disposed to disobedience and opposition)

INDIRECT (VIA disobedient) -> obedient -- (dutifully complying with the commands or instructions of those in authority; "an obedient soldier"; "obedient children"; "a little man obedient to his wife"; "the obedient colonies...are heavily taxed; the refractory remain unburdened"- Edmund Burke)

Similarity of adj headstrong

1 sense of headstrong

Sense 1
froward, headstrong, self-willed, willful, wilful -- (habitually disposed to disobedience and opposition)
       => disobedient (vs. obedient) -- (not obeying or complying with commands of those in authority; "disobedient children")