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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.

When the intermission’s countdown clock reversed itself, climbing back up to “21:12,” the numbers turned red and the crowd exploded.

From Los Angeles Times • Jun. 8, 2026

Other data appear to back up these trends.

From MarketWatch • Jun. 8, 2026

TicketData says that on Wednesday the number of tickets on Fifa's own site jumped back up to 37,000.

From BBC • Jun. 4, 2026

"Nevertheless, you can still see it in rocks that have made their way back up to the surface, you can see how they were stretched."

From Science Daily • Jun. 3, 2026

She took him back up the stairs, down a hall, and into a big empty room with blue wallpaper.

From "All About Sam" by Lois Lowry




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