Antonyms for the phrase "clings like ivy" could include words such as release, detach, let go, release or unfasten. Instead of holding onto something tightly, these antonyms imply a sense of letting go, loosening and freeing oneself from attachment. They suggest movement, change and the ability to let things be. Unlike ivy, which can be invasive and difficult to remove once it has taken root, these antonyms suggest freeing oneself from any negative or unhealthy attachment. They offer a way to move forward and let go of what no longer serves us without feeling trapped or stuck in one place.