The antonyms for concluding speeches are opening statements, introductory remarks, initial comments, opening assertions, or initial presentations. These terms refer to the beginning of a speech or presentation, whereas concluding speeches refer to the end. Antonyms are words that have opposite meanings. In the context of public speaking, the antonyms of concluding speeches signify the start of a presentation, where the speaker introduces themselves, the topic, and the purpose of the speech. Whereas, concluding speeches represent the final thoughts of the speaker, summarizing the content of the presentation and leaving the audience with an impression. Differentiating between these two types of speeches is critical for any public speaker to ensure they convey their message effectively.