I ate half of the pizza.

One of two equal parts of a whole.
She finished half of her homework.
He drank half of the juice.
They split the cake in half.
half price
half time
half way
part
fraction
portion
We will meet in half an hour.

A period of time that is equal to 30 minutes.
The movie is half over.
I will be back in half a day.
She finished her homework in half the time.
half an hour
half a day
half past
semi
partial
midway
I cut the apple in half.

A quantity that is equal to one of two equal parts of a whole.
She drank half of the juice.
He finished half of his homework.
They shared the pizza in half.
half a dozen
half price
half time
part
fraction
portion
I ate half of the pizza.

A term used to indicate one of two equal parts of something.
She read half of the book.
He finished half of his homework.
They drank half of the juice.
half price
half time
half way
partial
semi
mid
She has a half interest in the project.

Describing something that is 50% of a whole.
He paid half the price for the ticket.
They split the cake in half.
I read half of the book yesterday.
half price
half time
half way
partial
semi
fifty percent
I ate half of the pizza.

A part of something that is equal to 50% of the whole.
She drank half of the juice.
He read half of the book.
They finished half of the project.
half price
half time
half way
fifty percent
one-half
50%