American English
/bæk̚/
One syllable.
The part of your body between your neck and waist, on the opposite side from your chest.
Practice out loudThe part of your body between your neck and waist, on the opposite side from your chest.
My back hurts after the long drive.
She carried the baby on her back.
back pain · back muscles · hurt your back · lie on your back
the back of + person
lie on + your back
The rear part or surface of something, opposite the front.
There is a small label on the back of the box.
Please write your phone number on the back of the card.
back of the house · back of the book · on the back of a card
the back of + noun
on the back of + noun
To a place or situation where you were before.
I will come back after lunch.
They went back to the hotel.
Back usually comes after the verb: say come back, not back come.
come back · go back · get back · be back
come + back
go + back to + place
Toward the rear or farther away from something.
Please step back from the door.
He moved back to make room for her.
step back · move back · back away · stand back
step + back
move + back from + person/thing
to make a copy of computer files so you do not lose them
Back up your photos before you replace the phone.
to return something to its owner
Please give back my keys.
repeatedly moving in one direction and then the other
The dog ran back and forth across the yard.