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Dictionary.com
Definitions

back up

VERB
move backward
Synonyms
Antonyms


ADJECTIVE
substitute
Synonyms


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The statistics appear to back up Campbell's argument somewhat.

From BBC • Apr. 1, 2026

The cooling spell will allow March to go out like a lamb, but the heat will quickly dial back up.

From Los Angeles Times • Mar. 30, 2026

Hertz said that the surge in search traffic to its website signals that travelers are considering other ways or back up plans to reach their destination.

From Barron's • Mar. 26, 2026

Then it becomes hard to pick that loss back up in future years.

From MarketWatch • Mar. 23, 2026

The hare easily outdistances the dogs and they wheel back up the hill in a single, sweeping circle.

From "Woodsong" by Gary Paulsen