Self-reproachingly is an adverb that typically describes a person's actions or thoughts when they are blaming themselves for something. Other synonyms for this word could include remorsefully, regretfully, and guiltily. Other alternatives might include shamefully, penitently, and contritely. These words all address the same feelings of shame, guilt, and regret that come with self-reproach. When writing, it's essential to choose descriptive words that capture the appropriate tone and emotion of the moment. By considering several different synonyms, writers can choose the word that best fits their particular use case and helps them to convey their intended tone and message accurately.