backupnoun

SMART Vocabulary: related words and phrases

Proving and disproving
acid test
actions speak louder than wordsidiom
anti-sexist
attest
authenticate
demonstrably
demonstration of something
dispel
disprove
do justice to someone/somethingidiom
non-evidence
probatory
proof positive
provability
provable
verify
vindicate
vindication
vindicative
vindicatory

You can also find related words, phrases, and synonyms in the topics:

Operating computers

back (something) up

phrasal verb with backverbuk /bæk/ us /bæk/
to drive backwards倒（车）

Thesaurus: synonyms, antonyms, and examples

to go backwards
reverseThe road ahead was blocked by a tree so I had to reverse.
backI backed into the drive.
back upI backed up into an empty parking space.
retreatShe retreated hastily back up the stairs.
pull backUN peacekeepers have pulled back from the border.
withdrawThe British army withdrew from Dunkirk in 1940.

SMART Vocabulary: related words and phrases

On the road: driving & operating road vehicles
aquaplaning
biting point
boxed in
branch off
bus driver
chauffeur
gun
handle
lock
pull
pull someone up
push start
range anxiety
reverse
road rage
run away with someone
skid
speeding
steer
ton

back up

phrasal verb with backverbuk /bæk/ us /bæk/
If traffic backs up, the vehicles have to wait in a long line because there are too many of them: 堵（车）
The traffic is starting to back up on the M25.25号高速公路开始堵车了。

Thesaurus: synonyms, antonyms, and examples

too full of vehicles
busyThe M4 is always busy.
congestedTraffic is congested heading into and out of the city this morning.
gridlockedChicago is one of the most gridlocked cities in America.
backed upThere's an accident on the motorway and traffic is backed up for miles.
bumper to bumperThe road is bumper to bumper as tourists flock up the coast.
jammedTraffic is jammed up for miles.

SMART Vocabulary: related words and phrases

On the road: traffic jams
back
backed up
bottleneck
bumper
congestion
gridlocked
high-traffic
jam
low-traffic
rush hour
snarl-up
snarled up
sock
sock something/someone in (with sb)
tail back
tailback
traffic
traffic calming
traffic jam

back up (something) | American Dictionary

back up (something)

phrasal verb with backverbus/bæk/

(MOVE BACKWARD)

to move backward, or to drive a vehicle backward

back up (something)

phrasal verb with backverbus/bæk/

(GATHER)

to gradually collect or gather in one place, esp. traffic or a liquid

back up someone/something

phrasal verb with backverbus/bæk/

(PROVIDE SUPPORT)

to provide support or help to someone or something

back up something

phrasal verb with backverbus/bæk/

(MAKE EXTRA COPY)

to make a copy of information in a computer that is stored separately

back sb/sth up | Business English

back sb/sth up

phrasal verb with backverb[ T ]uk /bæk/us
to provide support for someone or something:
His warning of the need for good economic housekeeping was backed up by a record current account deficit of £72bn.
She's backed up by a dedicated team of administrators.

back sth up

phrasal verb with backverb[ T ]uk /bæk/us
IT
to make an extra copy of a computer file, etc.:
Don't forget to back up your files at least once a week.
Research data and account information were backed up daily.