numeral
The number that comes after eight and before ten.
I have nine books.
My daughter is nine years old.
Common phrases & grammar
nine years old · nine o'clock · nine people · nine dollars
nine + plural noun
nine years old
American English
How to pronounce nine
numeral · nounA1Very common word
NAIN
/naɪn/
One syllable.
The number that comes after eight and before ten.
Practice out loudMeanings & examples
noun
The number 9 or the written sign used for it.
Nine is an odd number.
Write a nine in the box.
Common phrases & grammar
the number nine
the number nine
Useful expressions
extremely happy
She was on cloud nine after getting the job.
wearing very elegant clothes
He was dressed to the nines for the ceremony.
a regular job or work schedule, usually from 9 a.m. to 5 p.m.
She wants a nine-to-five job.
Related words & forms
The ordinal form is ninth, not nineth.