six

Universal Words number 6 HELPNOTE There are examples of how to use numbers at the entry for five. IDIOMS at sixes and sevens (informal) in confusion; not well organized: I haven't had time to clear up, so I'm all at sixes and sevens. hit / knock sb for six (BrE) to affect sb very deeply: The business over the lawsuit had really knocked her for six. it's six of one and half a dozen of the other used to say that there is not much real difference between two possible choices