back up
Explore definitions, synonyms, and language insights of back up
Definitions
Verb
give moral or psychological support, aid, or courage to; "She supported him during the illness"; "Her children always backed her up"
Verb
move backwards from a certain position; "The bully had to back down"
Verb
establish as valid or genuine; "Can you back up your claims?"
Verb
make a copy of (a computer file) especially for storage in another place as a security copy; "You''d better back up these files!"
Verb
become or cause to become obstructed; "The leaves clog our drains in the Fall"; "The water pipe is backed up"