Sublime means of high moral, aesthetic, intellectual, or spiritual value; inspiring awe or admiration. It can also refer to a chemical process of changing a solid into a vapor without melting. See synonyms, antonyms, and usage examples. SUBLIME definition : 1. extremely good, beautiful, or enjoyable: 2. very great: 3. something that is sublime: . Learn more. Sublime definition : elevated or lofty in thought, language, etc.: Paradise Lost is sublime poetry.. See examples of SUBLIME used in a sentence. SUBLIME meaning : 1. extremely good, beautiful, or enjoyable: 2. very great: 3. something that is sublime : . Learn more.