The phrase "buried head in sand" is a popular idiom that refers to someone who ignores or denies a problem, hoping it will go away on its own. The opposite of this negativity and passivity is to face up to challenges and confront them head-on. Antonyms for the expression can include terms such as "taking action," "showing courage," "making a plan," "being proactive," and "facing reality." The key is to embrace solutions and not avoid problems, recognizing that acknowledging and addressing issues is the first step towards a positive outcome. By doing so, individuals can overcome obstacles, grow as individuals, and achieve their goals.