Lube, also known as lubricant, is a term used to refer to substances that reduce friction between two surfaces. However, many people find the term a bit too vulgar or inappropriate to use in certain settings. Thankfully, there are plenty of synonyms that can be used to convey the same meaning. Some common synonyms for lube include lubricating oil, oil, grease, Vaseline, jelly, and cream. All of these terms are widely used in different industries, including automotive engineering, mechanical engineering, pharmaceuticals, and even in everyday conversations. Regardless of the context or the setting, using these synonyms help to convey the same meaning and reduce any potential discomfort for those who prefer a more formal vocabulary.