A. Flexible
B. Stubborn
C. Headstrong
D. Intransigent
Answer: Flexible
A. Flexible
B. Stubborn
C. Headstrong
D. Intransigent
Answer: Flexible
Additional Information: 'Flexible' is the antonym of 'obstinate', meaning willing to change or adapt.
Subjects: Synonyms and Antonyms, Vocabulary