"Fling to the winds" is an idiomatic expression that means to abandon something or someone recklessly or to let something go without caring about the consequences. Some synonyms for this expression include "discard," "jettison," "cast off," "surrender," "abandon," "give up," "relinquish," "throw away," "forget," and "disregard." Each of these words emphasizes different aspects of the idea of letting go, such as the decision to abandon something or someone, the act of throwing it away, or the emotional detachment that comes with giving up. Whether you use "fling to the winds" or one of its synonyms, it conveys a sense of urgency and impulsivity in leaving something behind.