English to English
|give moral or psychological support, aid, or courage to
She supported him during the illness
Her children always backed her up
|move backwards from a certain position
The bully had to back down
|establish as valid or genuine
Can you back up your claims?
|make a copy of (a computer file) especially for storage in another place as a security copy
You'd better back up these files!
|become or cause to become obstructed
The leaves clog our drains in the Fall
The water pipe is backed up