Agonisingly is an adverb that describes something that is extremely painful or distressing. There are many other words that can be used to convey the same meaning as agonisingly. Some synonyms for agonisingly are torturously, excruciatingly, poignantly, painfully, harrowingly, and heart-rendingly. Each of these words conveys a sense of suffering or anguish. Torturously emphasizes the sense of prolonged or drawn-out pain, while excruciatingly focuses on the intensity of the pain. Poignantly suggests a poignant or poignant moment, while harrowingly suggests a feeling of being overwhelmed by a difficult situation. Regardless of the synonym used, all convey a sense of hardship that many people have experienced at some point in their lives.