Sean Patrick Hannity (born December 30, 1961) is an American conservative television presenter, broadcaster and writer. He hosts The SeanHannity Show, a nationally syndicated talk radio show, has hosted a self-titled political commentary program on Fox News since 2009, and... The meaning of CRACKING is very impressive or effective : great. How to use cracking in a sentence. a process in which large molecules of a hydrocarbon are broken down into…. informal fast; vigorous (esp in the phrase a cracking pace) 2. → See get cracking 3. Click for more definitions. cracking synonyms, cracking pronunciation, cracking translation, English dictionary definition of cracking. Decomposition of a complex substance by the application of steam, a … Definition of cracking noun in Oxford Advanced American Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. cracking / ˈ krækɪŋ/ adjective Britannica Dictionary definition of CRACKING always used before a noun British, informal : very good or impressive Cracking is a chemical process which is used in oil refining. To produce by-products such as cooking oil, ethanol, liquefied petroleum gas, diesel fuel, jet fuel and other petroleum distillates, cracking removes ….