uno
numeralBeginnerHigh frequency
What does “uno” mean in English?
one
Example sentences
Tengo uno.
I have one.
Un libro y una mesa.
A book and a table.
Uno, dos, tres.
One, two, three.
How to use it
Uno is the cardinal number 'one'. Before a masculine singular noun it drops to un (un libro); before a feminine singular noun it becomes una (una mesa). Standalone, while counting, or after the noun it stays uno.
Common mistake
Don't say 'uno libro' before a masculine noun — drop to 'un'. The same word becomes 'una' before a feminine noun.
Topics
Related Beginner words
Reference
This entry’s teaching guidance follows A New Reference Grammar of Modern Spanish (Butt, Benjamin & Moreira Rodríguez, Routledge), 10.