Definitions
the act of providing approval and support
Word origin
Deverbal from back up.
Used in a sentence
“If the goalkeeper is injured, we have a backup.”
“After the power failure, we had to restore the database from backup.”
“The accident caused a mile-long backup on the highway.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer2 curated clues
01“Reserve copy”6 letters
02“Reserve support”6 letters
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