Headstrong, meaning obstinate or stubborn, can be described by a wide range of antonyms, each bearing its unique shade of meaning. One opposite of headstrong is adaptable, referring to someone capable of adjusting to changing circumstances or opinions. Another antonym is compliant, which means willing to conform or to do as one is told. Yielding, flexible, docile, and amenable are other opposite words for headstrong. Someone who is amenable is easily influenced or persuaded, while a yielding individual is inclined to surrender to the will of others. By contrast, obstinate, unyielding, and inflexible are synonyms of headstrong. Each opposite showcases the different aspects of human personality and behavior.