Thesaurus.com
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.

Menendez incorporated nearly 80 pages of allegations of the agents’ abusive behavior, backed up with videos and sworn declarations, in her ruling.

From Los Angeles Times

"There's gonna be times throughout the years that you fall short, you get back up and dust yourself off and keep plugging away -- Sam's been that steadying force," added Macdonald.

From Barron's

Was that evidence strong enough to back up my claim?

From Literature

But the paper stares back up at me, blindingly blank like the terrifying unknowns of my new fate.

From Literature

There has so far been no testimony from the survivors to back up or question that account.

From BBC