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Audio English.net » Dictionary » B » Bacilliform ... Backhand Stroke

BACK UP

Pronunciation (US): 

 Dictionary entry overview: What does back up mean? 

BACK UP (verb)
  The verb BACK UP has 5 senses:

1. give moral or psychological support, aid, or courage to
2. move backwards from a certain position
3. establish as valid or genuine
4. make a copy of (a computer file) especially for storage in another place as a security copy
5. become or cause to become obstructed

  Familiarity information: BACK UP used as a verb is common.


 Dictionary entry details 


BACK UP (verb)


Sense 1back up [BACK TO TOP]

Meaning:

Give moral or psychological support, aid, or courage to

Classified under:

Verbs of political and social activities and events

Synonyms:

back up; support

Context examples:

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

Troponyms (each of the following is one way to "back up"):

undergird (lend moral support to)

advance; boost; encourage; further; promote (contribute to the progress or growth of)

aid; assist; help (give help or assistance; be of service)

buy at; frequent; patronise; patronize; shop; shop at; sponsor (do one's shopping at; do business with; be a customer or client of)

sponsor (assume responsibility for or leadership of)

back; endorse; indorse; second (give support or one's approval to)

Sentence frames:

Somebody ----s something
Somebody ----s somebody
Something ----s somebody
Something ----s something

Sentence example:

Sam cannot back up Sue


Sense 2back up [BACK TO TOP]

Meaning:

Move backwards from a certain position

Classified under:

Verbs of walking, flying, swimming

Synonyms:

back off; back down; back up

Context example:

The bully had to back down

Hypernyms (to "back up" is one way to...):

draw back; move back; pull away; pull back; recede; retire; retreat; withdraw (pull back or move away or backward)

Sentence frames:

Something ----s
Somebody ----s


Sense 3back up [BACK TO TOP]

Meaning:

Establish as valid or genuine

Classified under:

Verbs of size, temperature change, intensifying, etc.

Synonyms:

back up; back

Context example:

Can you back up your claims?

Hypernyms (to "back up" is one way to...):

affirm; confirm; corroborate; substantiate; support; sustain (establish or strengthen as with new evidence or facts)

Sentence frames:

Somebody ----s something
Something ----s something


Sense 4back up [BACK TO TOP]

Meaning:

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

Classified under:

Verbs of sewing, baking, painting, performing

Context example:

You'd better back up these files!

Hypernyms (to "back up" is one way to...):

copy; re-create (make a replica of)

Domain category:

computer; computing device; computing machine; data processor; electronic computer; information processing system (a machine for performing calculations automatically)

Sentence frame:

Somebody ----s something


Sense 5back up [BACK TO TOP]

Meaning:

Become or cause to become obstructed

Classified under:

Verbs of touching, hitting, tying, digging

Synonyms:

congest; clog up; clog; choke off; foul; back up; choke

Context examples:

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

Hypernyms (to "back up" is one way to...):

block; close up; impede; jam; obstruct; obturate; occlude (block passage through)

Troponyms (each of the following is one way to "back up"):

gum up (stick together as if with gum)

crap up (become obstructed or chocked up)

block; choke up; lug; stuff (obstruct)

silt; silt up (become chocked with silt)

Sentence frames:

Something ----s
Somebody ----s something
Something ----s something


 Learn English with... Proverbs of the week 
"A person is known by the company he keeps." (English proverb)

"The water that does not flow is not fit to drink." (Albanian proverb)

"He who does not know the falcon would grill it." (Arabic proverb)

"One who scorns is one who buys." (Corsican proverb)

 BACK UP: related words searches 

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