Meaning of “weight” in the English Dictionary

"weight" in English

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uk /weɪt/ us /weɪt/

weight noun (HEAVINESS)

B1 [ C or U ] the amount that something or someone weighs:

What weight can this lorry safely carry?
There was a slight decrease in his weight after a week of dieting.

[ C ] a piece of metal of known heaviness that can be used to measure the heaviness of other objects

B2 [ C ] any object that is heavy:

Try not to lift heavy weights.
I lift weights twice a week at the gym.

More examples

weightverb [ T ]

uk /weɪt/ us /weɪt/

to fasten something heavy to something:

Paper tablecloths need to be weighted down or they blow away in the wind.

(Definition of “weight” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"weight" in American English

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us /weɪt/

weight noun (MEASURE OF HOW HEAVY)

[ C/U ] a quality of an object that is a measure of the force by which the earth attracts it, or an object considered as having this quality:

[ U ] The maximum weight the bridge can support is 15 tons.
[ U ] You’ve lost some weight since the last time I saw you.
[ U ] I don’t want to put on weight (= become heavier).
[ C ] When lifting a heavy weight, keep your back straight and bend your knees.

[ C/U ] A weight is also a piece of metal whose force toward earth has been measured, and by which you can measure other objects:

[ C ] a one-pound weight

[ C/U ] A weight is also sports equipment, esp. a piece of metal attached to each end of a bar or to a special machine that you move or lift to strengthen your muscles:

[ C ] He lifts weights.

weight noun (INFLUENCE)

[ U ] influence:

Her word carried weight with her neighbors.
noun [ U ] us /ˈweɪt·lə·snəs/

(Definition of “weight” from the Cambridge Academic Content Dictionary © Cambridge University Press)

"weight" in Business English

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uk /weɪt/ us

[ C or U ] how heavy something or someone is:

The Directive mandates that 85% of the weight of the vehicle must be reused or recycled.
by weight Metal products for children should not consist of more than 0.06% lead, by weight.
increase/decrease in weight Cars have increased in weight and fuel economy has suffered accordingly.

[ C ] any object that is heavy:

The warehouse work involves the lifting of heavy weights.

[ U ] the quality of being heavy:

Most fabrics need interfacing to support the weight of buttons.

[ C or U ] MEASURES a unit or system of units used for expressing how much an object weighs:

Imperial weights and measures were introduced in the 13th century.

respect, influence, trust, or importance:

The Association's reports carry weight because it stands for independence and integrity.
The guidelines give greater weight to economic potential.
Few people attached much weight to the findings of the enquiry.
throw/put your weight behind sth

to use all your influence to support something:

The building firm threw its weight behind criticism of the government's new planning restrictions.
under the weight of sth

suffering problems or difficulties caused by something:

The American economy is slowing down under the weight of higher interest rates.

weightverb [ T, usually passive ]

uk /weɪt/ us

to give greater or lesser values to things to show how important they are compared to each other:

be weighted according to sth Each country's growth rate is weighted according to its share of world GDP.
be weighted by sth Most indexes are weighted by market value.
The results have been weighted to take account of household size.

to organize something in a way that is likely to produce an advantage or disadvantage:

be weighted against sb/sth In the marketplace, costs are weighted against smaller investors.
be weighted in favour of/towards sb/sth The labour market is heavily weighted toward skilled jobseekers.

(Definition of “weight” from the Cambridge Business English Dictionary © Cambridge University Press)