Learner's definition of NINE
2 [count] : the ninth in a set or series 3 [noncount] : nine o'clock
“What time is it?” “It's nine.”
He woke up at nine this morning.
a nine-to-five job [=a job that you work during regular business hours usually in an office]
4 [count] : the first or last nine holes of an 18-hole golf course— usually singular
to the nines
: in a very fancy or impressive way