Hard-headed is a term that typically means stubborn, inflexible, or resistant to change. Antonyms for this word would be more positive adjectives, such as open-minded, adaptable, or flexible. Someone who is open-minded is receptive to different ideas and opinions, whereas someone who is hard-headed might dismiss anything that conflicts with their own beliefs. Being adaptable or flexible means you can adjust to new situations and circumstances, which is the opposite of being stubborn and stuck in your ways. While being hard-headed may have some benefits, being more open-minded and flexible can lead to greater success and personal growth.