back up › Synonyms

Synonyms for back up

Grouped by meaning, so you pick the word that fits what you mean. See the full definition of back up.

verb · give moral or psychological support, aid, or courage to

“She supported him during the illness”

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 · become or cause to become obstructed

“The leaves clog our drains in the Fall”