English
Etymology
From either Spanish or Italian numero uno (“number one”).
Noun
numero uno (plural numero unos)
- (informal) The most important of a group.
- Synonyms: see Thesaurus:important person
- (informal) Oneself, especially one’s own interests.
- In his business ventures, he always looks after numero uno.
Italian
Noun
Derived terms
Categories:
- English terms borrowed from Spanish
- English terms derived from Spanish
- English terms borrowed from Italian
- English terms derived from Italian
- English lemmas
- English nouns
- English countable nouns
- English multiword terms
- English informal terms
- English terms with usage examples
- en:One
- Italian lemmas
- Italian nouns
- Italian multiword terms
- Italian masculine nouns