backup

About 4.20 uses per million words.

Meaning

1. noun A reserve or substitute.

   If the goalkeeper is injured, we have a backup.

2. noun A copy of a file or record, stored separately from the original, that can be used to recover the original if it is damaged or destroyed.

   After the power failure, we had to restore the database from backup.

3. noun An accumulation of material caused by a (partial) obstruction or (complete) blockage of the flow or movement of the material, or an accumulation of material that causes an overflow due to the flow being greater than the maximum possible flow.

   The accident caused a mile-long backup on the highway.

4. noun Reinforcements.

   He's got a gun! You'd better send for backup.

5. noun Any support or extra help.
6. noun Accompaniment.
7. noun Corroboration.
8. adjective Standby, reserve or extra.

   I am only a backup player.

Similar words

fill-in substitute stand-in relief backup man computer backup backstop back-up safeguard safeguarding

Often followed by

and of copy to is for system copies file

Word family

backups