Antonyms for the phrase "picking one's brains" may include concepts such as detachment, disregard, inattention, insensitivity, and ignorance. Instead of seeking someone's advice, insights, or knowledge, one might purposely choose to avoid engaging with others or dismiss their contributions. A lack of interest in learning, exploring, or growing can also contradict the mindset of "picking one's brains." Alternatively, different expressions can express opposite sentiments, such as "sharing one's wisdom," "discovering new perspectives," or "expanding one's horizons." These words connote an open-minded and collaborative posture that values diversity, learning, and growth.