Definition of crude in English:



  • 1In a natural or raw state; not yet processed or refined.

    ‘crude protein’
    • ‘The refinery, which processes crude oil, has an annual capacity of around 10 million tonnes.’
    • ‘The bulk of exports are crude oil, refined products, and natural gas liquids.’
    • ‘The first thing to understand about petroleum is this: crude oil is only valuable because it can be made into other things.’
    • ‘The embargo caused an oil shock that ‘doubled the real price of crude oil at the refinery level, and caused massive shortages in the US’.’
    • ‘The sooner we develop them the less reliant we will be on imports of crude oil and refined petroleum products.’
    • ‘Their production of crude oil and natural gas began in 1969, greatly reducing Australia's dependence on imported oil.’
    • ‘Oil refining refers to the processes involved in converting crude oil into useful petroleum products.’
    • ‘Indonesia mainly exports crude palm oil, natural gas, agricultural and mining products, and wood to South Korea.’
    • ‘For example, a petroleum firm explores for oil in many parts of the world, transports it to its refineries where crude oil is processed, and supplies various petroleum outputs to retail outlets.’
    • ‘The co-op has filed for a patent on a process it will use to process crude soybean oil into poly-oil.’
    unrefined, unpurified, unprocessed, untreated
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    1. 1.1Statistics (of figures) not adjusted or corrected.
      ‘the crude mortality rate’
      • ‘There are significant decreases in crude and risk adjusted mortality in the four years after appointment.’
      • ‘European countries have high taxation, and because there are lots of them, this distorts the calculation of crude averages.’
      • ‘Second, we adjusted crude effects for parental age, education, BMI, height, and weight.’
      • ‘Using multivariate logistic regression we adjusted the crude odds ratios for these variables, also controlling for any identified confounders and stratifying by effect modifiers.’
    2. 1.2(of an estimate or guess) likely to be only approximately accurate.
      • ‘They allow students to assess their own progress, and parents to make a crude comparison between schools.’
      • ‘They also classify species according to abundance (based on crude estimates of population density and suitable habitat).’
      • ‘Such an estimate, however crude it may be, is decidedly impressive.’
      • ‘‘I made crude estimates of bite force years ago on large alligators and knew that the forces were large,’ he said.’
      • ‘Obviously these comparisons are extremely crude.’
      • ‘Also, the mathematical models currently used in phylogenetic analysis are crude approximations to reality.’
      • ‘In addition, I calculated the distance between survey posts and bearing trees to obtain a crude estimate of bearing tree density.’
      • ‘Note that the available experimental data only allow a crude estimation of the parameter.’
      • ‘Estimates of poverty remain crude for the years before the federal government instituted an official poverty line in the 1960s.’
      • ‘It is probably time to accept that raw taxonomic counts provide only a first, crude estimate of biodiversity dynamics and occasionally may be downright misleading.’
      • ‘Although a crude approximation, this also suggests that roughly 3000 caribou perished during this event.’
      • ‘These estimations are relatively crude: a linear approximation for the dose - response curves was used, but this is not necessarily a true model and may not always be fulfilled.’
      • ‘These comparisons are rather crude since the sample sizes and geographic distribution of lines differ in each study.’
      • ‘But I'm willing to consider crude estimates, if no more precise ones are conveniently available.’
      • ‘That must be, at best, a very crude estimate that could be wildly off in either direction.’
      • ‘One fairly crude estimation of social mobility can be arrived at by comparing social class of origin with that of destination.’
      • ‘However, any financial forecasts may be based on very crude assumptions about the likely volume of sales, the selling price, distribution costs, and the cost of producing the item.’
      imprecise, not accurate, not exact, approximate, rough, coarse-grained, general, vague, hazy, woolly
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  • 2Constructed in a rudimentary or makeshift way.

    ‘a relatively crude nuclear weapon’
    • ‘With these crude weapons, the basic principles of artillery were laid down.’
    • ‘No wonder that the resulting building was diagrammatic in planning, and often crude in construction.’
    • ‘It is currently far too crude a weapon though and it needs to be more focused on persistent criminals.’
    • ‘They were small, little more than crude devices put in rubbish bins, and injured few people.’
    • ‘The construction was crude, but he was pretty sure it would be safe enough to use as an escape tunnel.’
    • ‘They probably can put a crude nuclear weapon on one of their shorter - range missiles.’
    • ‘All divisions are now finding ways of achieving these savings through genuine improvements rather than crude cuts.’
    • ‘Did you find that the crude devices you cobbled together worked better than the machines later designed to make those sounds?’
    • ‘At the very beginning, the observatory was only a bungalow, with simple and crude instruments.’
    • ‘The earliest tool kit, termed the Oldowan, is characterized by choppers, crude implements fashioned from cobbles by striking off flakes from either side of the stone to create a sharp edge.’
    • ‘Thus, even today, it has only enough plutonium for one or two crude nuclear devices.’
    • ‘It's also possible that you could - that you could structure radioactive material around a crude explosive device, have a crude dirty nuclear weapon.’
    • ‘Ankamama, an old man crippled in the war, makes weapons with the available material in his crude workshop.’
    • ‘The police chief said around 100 protesters had been detained earlier this week at the French border as they tried to smuggle in axes, baseball bats and other crude weapons.’
    • ‘The path was in many places a primitive stairway, or crude stepladder, at first through a jungle, and later up a very steep, grass-covered slope.’
    • ‘The training facility was large, but seemed fairly crude, and in disrepair.’
    • ‘True or false, other forms of such crude methods were and (I'm guessing) still are in use.’
    • ‘The equipment was bulky and crude by modern equipment standards, and it had only limited use.’
    • ‘I took the crude construction paper offering and admired it like the child had created something worthy of the great masters.’
    primitive, simple, basic, rudimentary, rough, rough and ready, rough-hewn, make-do, makeshift, improvised, cobbled together, thrown together, homespun, unfinished, unpolished, unformed, undeveloped
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    1. 2.1(of an action) showing little finesse or subtlety and as a result unlikely to succeed.
      ‘the measure was condemned by economists as crude and ill-conceived’
      • ‘This is inadequate and misleading because it depends on a crude kind of rationalism.’
      • ‘With most artists of his stature, this would more than likely involve a clumsy catharsis resulting in a crude ego trip.’
      • ‘Various rather crude attempts are being made to whip up opposition to such options.’
      • ‘I know no case where this kind of crude forgery has succeeded.’
      • ‘There may in fact be differences, but my method is too crude to find them.’
      • ‘This has not prevented the companies from engaging in price discrimination altogether, but has forced them to engage in relatively crude versions.’
      • ‘This very simple and crude estimation procedure proves to be very useful, although it increases the computation time yet again.’
      • ‘Not because the idea is so crude and unlikely, but because of the enormous prospect of being rejected by everyone.’
      • ‘A more crude approach is bin raiding, where thieves steal rubbish to search for sensitive documents such as bank statements or utility bills.’
      • ‘This financial analysis is basic, almost crude.’
      • ‘Earlier I rejected a crude relativism and suggested that we need to accept that there is a difference between what we take to be true and what is true.’
      • ‘Economic growth and crude nationalism are insufficient supports for long-term continuance of a regime.’
      • ‘Emphasising on the need to initiate ‘action’ against immoral forces to set right things, the play attempts to delineate subtle and crude ironies of life.’
      • ‘Our method of recording votes and presenting the results may be crude, but it works, and it's accurate.’
      • ‘While some employers resort to crude tactics, others are more subtle in their tactics aimed at discouraging union activity.’
      • ‘But the direction is often crude and lacks the subtlety and genuine insights of his later work.’
      • ‘He argues that these surprises often result from our rather crude understanding of the nature and function of genes.’
      • ‘In fact, the accounts are contradictory and smack of a rather crude attempt at a cover-up.’
      • ‘Yet however imperfect, however crude, they afford the historian's best access to even a rough estimate of public opinion of the period.’
      • ‘She called the questionnaire a " very crude method " that was not reliable.’
      substandard, below standard, below par, bad, deficient, defective, faulty, imperfect, inferior, mediocre
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  • 3(of language, behavior, or a person) offensively coarse or rude, especially in relation to sexual matters.

    ‘a crude joke’
    • ‘They're entertaining for the most part, with plenty of tales of real-life adventure, foul language, crude jokes, technical detail and daring.’
    • ‘It's a joy to be in the hands of film-makers who intuitively know the difference between rude and crude, who know that horny and heartfelt can exist in tandem and that jokes about race and sexuality are not the same as racism and homophobia.’
    • ‘Like most ‘metal’ bands, critics have found them shrill, crude, and offensive.’
    • ‘Not that I'm not in favour of a crude joke or a dirty joke but only if it's a really clever funny one.’
    • ‘I have spoken to him perhaps six times and every time, he has said something crude or offensive.’
    • ‘Rude, crude and lewd, there's something here to offend everyone, from Royalists to dog owners.’
    • ‘She vaguely remembered him from a childhood television program, which made his crude jokes especially shocking.’
    • ‘I apologize for starting a column about an important health issue with such a crude joke.’
    • ‘He used to be bitter, and bizarre, and remarkably offensive and crude.’
    • ‘It was tasteless, crude, rude and very, very popular.’
    • ‘With no women there to keep us civilized and on our best behavior, I suspect that bodily noises and crude jokes will also be involved.’
    • ‘The joke was deliberately crude, but perhaps I just had trouble conveying that.’
    • ‘It's crude, offensive and just in time for the holidays.’
    • ‘Broad, rude, crude and offensive were just a few of the criticisms levelled at this scatological sitcom, but the show had the perfect response to such highbrow jibes: ratings.’
    • ‘How do we know he didn't say something crude or rude or vaguely threatening to the woman before she swung at him?’
    • ‘Most of what they said to me I blocked, but I do remember they made very crude sexual advances towards me.’
    • ‘It's offensive, it's crude, it's hilarious and it's one of the best films of the year.’
    • ‘I think it unlikely that any of these men would think it acceptable if other men were to make crude sexual comments about their sisters or daughters.’
    vulgar, rude, risqué, suggestive, racy, earthy, off colour, colourful, indecent, bawdy, obscene, offensive, lewd, salacious, licentious, ribald, rabelaisian, boorish, coarse, uncouth, indelicate, crass, tasteless, sordid, smutty, dirty, filthy, pornographic, x-rated, scatological
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  • Natural petroleum.

    ‘the ship was carrying 80,000 tons of crude’
    • ‘Oil prices also settled back once the Opec cartel stressed that it would pump additional crude into the market and thereby safeguard western economies from the additional threat of higher inflation.’
    • ‘New York's benchmark contract, light sweet crude for delivery in July, rose 29 cents to US $38.75 a barrel.’
    • ‘Washington believes West African crude, including Sao Tome's potentially big reserves, could help reduce its dependence on Middle Eastern supplies.’
    • ‘To offset such a scenario, you might think OPEC would let prices drift lower, in order to spur economic growth that would soak up that excess crude.’
    • ‘In London on Monday, oil prices hit a six-month high, with a barrel of benchmark Brent North Sea crude for April delivery as high as $24.05 at one point.’
    • ‘Today, Canada, Mexico, and Venezuela each supply the U.S. with roughly as much crude as Saudi Arabia, the world's top producer.’
    • ‘The price of light sweet crude surged to US $38.18 a barrel on Wednesday, a 13-year high, before a modest drop on Thursday.’
    • ‘After a period of rest and/or consolidation, the charts suggest that crude will make another stab at those March-April highs before all is said and done.’
    • ‘A large number of tankers full of West African crude were suddenly stuck without destinations.’
    • ‘Officials from the Organisation of Petroleum Exporting Countries expressed concern of pumping too much crude in the second quarter.’
    • ‘Brent North Sea crude for October rose 4c to finish at $US43.03.’
    • ‘By offering an extra two million barrels a day, OPEC's aim is to reassure the market that crude is plentiful.’
    • ‘But oil crossed into new territory in Singapore trade this afternoon, with TAPIS crude hitting $67.44 US a barrel.’
    • ‘During the same period, China exported 4.3 million tonnes of crude for US $1 billion.’
    • ‘New York's light sweet crude for delivery in August dipped eight cents to $39.88 per barrel in pre-opening electronic deals.’
    • ‘Even Singapore, Asia's premier refining center, has lost 0.2% of its GDP due to more expensive crude.’
    • ‘Daily demand for crude will increase this year by almost 2 million barrels to 80.6 million, reports the International Energy Agency.’
    • ‘A couple weeks ago, give or take, when a barrel of West Texas intermediate crude got down to around $37, I said I thought that might be near a low.’
    • ‘From being located in the hinterland near consumption or oilseed production areas, they are now being positioned to take advantage of lower freight and easier handling of imported crude.’
    • ‘In London, the price of Brent North Sea crude for February delivery gained US $0.14 to finish at US $56.69 a barrel.’


Late Middle English: from Latin crudus raw, rough.