The word "more abbreviate" suggests a need to make something even shorter. Its antonyms would be words that suggest adding more detail, extending, or expanding. Some possible antonyms for "more abbreviate" are elongate, lengthen, broaden, amplify, elaborate, expound, and clarify. When we provide more information or explanations, we can use these words to communicate more effectively. For instance, we can elongate a speech by adding more examples or elaborating on key points. To clarify a complex idea, we might need to expound on it, explaining it step by step. In summary, the antonyms of "more abbreviate" highlight the importance of being comprehensive and thorough in communication.