About Inveterate, Concrete, Inconceivable, Mutilate and Bullion When I recite words, I encounter some words that are difficult to be recalled. They are Inveterate, Concrete, Inconceivable, Multilate and Bullion. Could anyone tell me how to understand these words better? As the same time, I make some sentence using them. Please feel free to correct me. Inveterate: To play basketball at every weekend is his inveterate preference. Concrete: His boss told him that he must write a concrete proposal. Inconceivable: The news he heard early today is inconceiveable. Mutilate: The madman mutilated a materpiece which he got occasionally. Bullion: My aunt is buying gold bullion when its price is lower than ususal.