back up

Speech parts

1. back up - Noun

2. back up - Adjective

3. back up - Verb

establish as valid or genuine

move backwards from a certain position

become or cause to become obstructed

make a copy of (a computer file) especially for storage in another place as a security copy

give moral or psychological support, aid, or courage to

Source: WordNet

back-up

back support back off fort second help reserve store promote save prove reverse defend assist encourage

Show all synonyms

strand jilt negative reject deny contradict

Show all antonyms

support block copy retreat withdraw sustain

further second back help aid block

Can you back up your claims? Source: Internet

The bully had to back down Source: Internet

The leaves clog our drains in the Fall Source: Internet

The water pipe is backed up Source: Internet

You'd better back up these files! Source: Internet

She supported him during the illness Source: Internet