The phrase "pine away" is often used to describe an individual's long-term sadness or yearning for someone or something they cannot have. Some synonyms for "pine away" include languish, waste away, dwindle, be consumed with longing, or go to rack and ruin. These phrases convey the same sense of longing and sadness, each with its subtle variations. For example, "languish" can describe both slow physical decline and emotional yearning, while "go to rack and ruin" suggests a more immediate and devastating emotional response. When choosing synonyms for "pine away," it's essential to weigh the nuances of each one and choose the best match for the intended meaning.