one
Translation
one, a single
Examples
She has one dog.
She has one dog.
I like the blue one.
I like the blue one.
One must be careful.
One must be careful.
Grammar Patterns
((noun)) as a number before a noun I have one cat.
((pronoun)) to replace a previously mentioned noun Which one do you want?
((impersonal pronoun)) to mean 'people in general' One should always tell the truth.
Similar Words
Synonyms (as pronoun): a person, an individual; Antonyms (as number): two, many, none
Etymology
From Proto-Indo-European root '*oi-no-' meaning 'one, unique'.
Memory Tips
The pronunciation sounds like 'won', not like 'own'. It's the first and most basic number.