The antonyms for the phrase "beared up under" include giving up, relinquishing, surrendering, and succumbing. These words indicate a lack of strength and perseverance, and the inability to face and overcome difficulties. Giving up suggests a defeatist attitude, while relinquishing implies losing control and surrendering denotes yielding to an opponent. In contrast, bearing up under challenges shows courage, resilience, and a determination to overcome adversity. Antonyms are essential to understanding the full spectrum of meaning and making accurate distinctions between words. Without antonyms, language would be limited and lacking in nuance.