Sorry/ˈsɑːri/ Definition 1 of 4Pro Tip 1/3Expressing Regret Use 'sorry' when you genuinely regret a mistake or harm you've caused, showing empathy. I'm sorry I lost your book. Pro Tip 2/3Personal Apology 'Sorry' can indicate personal responsibility and is often more sincere than 'apologies.' I'm sorry I was late to the meeting. Pro Tip 3/3Emotional Impact 'Sorry' can be used to express sympathy even if you are not directly involved in the situation. I'm so sorry to hear about your illness.