numero uno

[ noo-muh-roh oo-noh, nyoo- ]

noun

1. number one ( defs 1, 2 ).

adjective

1. number one ( def 4, 5 ).

Word History and Origins

Origin of numero uno¹

Borrowed into English from Italian around 1970–75

Example Sentences

She knows that as Secretary of State she would be not just be numero uno in the Cabinet.

From The Daily Beast

Related Words

• early