What is another word for one in a million?
Pronunciation: [wˈɒn ɪn ɐ mˈɪli͡ən] (IPA) 
The phrase "one in a million" is commonly used to describe a person or thing that is exceptional or unique. There are several other phrases and expressions with a similar connotation. For instance, the phrase "a diamond in the rough" is used to describe someone with great potential who may not currently be living up to it. Similarly, "a needle in a haystack" is used to describe something that is difficult to find or locate. Another phrase that conveys a sense of rarity is "once in a blue moon," which means something that happens only rarely. Other expressions that can be used synonymously with "one in a million" include "a rare bird" and "a standout".
