back (up) Sentence Examples

1. The hiker scrambled back up the steep mountainside.
2. The ball bounced back and forth on the tennis court.
3. The witness backed up the defendant's alibi with a solid statement.
4. The horse reared up on its hind legs and then backed down.
5. The students backed up their claims with extensive research.
6. The car slowly backed up into the parking space.
7. The athlete backed up his teammates with a series of strong tackles.
8. The gardener backed up her roses to protect them from the frost.
9. The computer backed up all essential data to prevent loss.
10. The truck backed up to the loading dock to receive its cargo.

back (up) Meaning

back (up)

one that serves as a substitute or support, an accumulation caused by a stoppage in the flow, to gather or pile up because the flow has been stopped, to make copies of all the files on (a device), additional personnel who provide assistance, a copy of a computer file to protect against loss of data, the act or an instance of making a backup, to move into a position behind (a teammate) in order to assist on a play, musical accompaniment, a person or thing that takes the place of or supports another, to make a copy of (as a computer file) to protect against loss of data, to accumulate in a congested state, hold back sense 1, a gathering or piling up because the flow has been stopped, to make a copy of (a computer file or data) to protect against accidental loss or corruption, a copy of computer data (such as a file or the contents of a hard drive)

Synonyms & Antonyms of back (up)

Strongest

Synonyms:

• bear-out
• testify-to-
• vouch-for-

Antonyms:

• rebut
• deny
• refute
• challenge
• contradict
• disprove

Strong

Synonyms:

• verify
• validate
• witness
• confirm
• authenticate
• corroborate
• certify
• vindicate

Antonyms:

• contest
• dispute
• question

Weak

Synonyms:

• document
• affirm
• profess
• substantiate
• establish
• reinforce
• aver
• guarantee
• avow
• assert
• support
• warrant
• attest
• prove
• argue
• avouch
• declare

Antonyms:

• gainsay
• disavow
• disclaim

FAQs About the word back (up)

What is the meaning of the word back (up)

one that serves as a substitute or support, an accumulation caused by a stoppage in the flow, to gather or pile up because the flow has been stopped, to make co

What are the synonyms of the word back (up)

bear out,testify (to), vouch (for), verify, validate,witness, confirm, authenticate, corroborate, certify

What are the antonyms of the word back (up)

rebut, deny, refute, challenge, contradict,disprove,contest, dispute, question,gainsay

What is the usage of word back (up)

The hiker scrambled back up the steep mountainside.

The ball bounced back and forth on the tennis court.

How to use the word back (up) in a sentence?

The witness backed up the defendant's alibi with a solid statement.

The horse reared up on its hind legs and then backed down.