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Definitions and Synonyms of back up | Another word for back up | What is back up?

Definition 1: establish as valid or genuine - [verb of change]

Samples where back up or its synonyms are used according to this definition

  • Can you back up your claims?

Synonyms for back up in the sense of this definition

(back up is a kind of ...) establish or strengthen as with new evidence or facts

"his story confirmed my doubts" "The evidence supports the defendant"

Definition 2: become or cause to become obstructed - [verb of contact]

Samples where back up or its synonyms are used according to this definition

  • The leaves clog our drains in the Fall
  • The water pipe is backed up

Synonyms for back up in the sense of this definition

(back up is a kind of ...) block passage through

"obstruct the path"

(... is a kind of back up ) stick together as if with gum

"the inside of the pipe has gummed up"

(... is a kind of back up ) become obstructed or chocked up

"The drains clogged up"

(... is a kind of back up ) obstruct

"My nose is all stuffed" "Her arteries are blocked"

(... is a kind of back up ) become chocked with silt

"The river silted up"

Definition 3: make a copy of (a computer file) especially for storage in another place as a security copy - [verb of creation]

Samples where back up or its synonyms are used according to this definition

  • You'd better back up these files!

(back up is a kind of ...) make a replica of

"copy that drawing" "re-create a picture by Rembrandt"

(back up belongs to category ...) a machine for performing calculations automatically

Definition 4: move backwards from a certain position - [verb of motion]

Samples where back up or its synonyms are used according to this definition

  • The bully had to back down

Synonyms for back up in the sense of this definition

(back up is a kind of ...) pull back or move away or backward

"The enemy withdrew" "The limo pulled away from the curb"

Samples where back up or its synonyms are used according to this definition

  • She supported him during the illness
  • Her children always backed her up

Synonyms for back up in the sense of this definition

(... is a kind of back up ) assume responsibility for or leadership of

"The senator announced that he would sponsor the health care plan"

(... is a kind of back up ) do one's shopping at; do business with; be a customer or client of

(... is a kind of back up ) give help or assistance; be of service

"Everyone helped out during the earthquake" "Can you help me carry this table?" "She never helps around the house"

(... is a kind of back up ) contribute to the progress or growth of

"I am promoting the use of computers in the classroom"

(... is a kind of back up ) cheer for

"She roots for the Broncos"

(... is a kind of back up ) lend moral support to

(... is a kind of back up ) give support or one's approval to

"I'll second that motion" "I can't back this plan" "endorse a new project"

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Other word for back-number

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