Word
crude
US/ˈkɹud/
UK/kɹˈuːd/
Definitions
01natural and untreated
B2 · Upper Intermediate Science
adj. in a natural state and not yet cleaned or processed.
adj. existing in a natural state and not yet subjected to refining or manufacture.
“The factory processes crude sugar into the white crystals we buy in shops.”
“The environmental impact of transporting crude materials across the ocean remains a significant concern for international regulatory bodies.”
02simple or rough
B2 · Upper Intermediate
adj. made in a simple or rough way without much skill.
adj. characterised by a lack of sophistication, detail, or expert workmanship.
“They built a crude shelter out of branches to stay dry during the storm.”
“Early explorers often relied on crude maps that lacked precise longitudinal data but provided essential landmarks for coastal navigation.”
Antonyms
03rude or offensive
C1 · Advanced Informal
adj. rude and likely to offend people.
adj. lacking in culture, refinement, or tact; often used to describe offensive language or jokes.
“He was asked to leave the party after making several crude remarks.”
“The comedian's reliance on crude humour alienated a significant portion of the audience who had expected a more nuanced performance.”
04not adjusted
C1 · Advanced Science Academic · Technical
adj. describing a number or statistic that has not been changed to show more detail.
adj. referring to statistics or data that have not been adjusted for specific factors or variables.
“The crude birth rate shows the number of births per thousand people.”
“While the crude data suggested a correlation, the researchers needed to control for age and income before drawing a final conclusion.”
Synonyms
Antonyms
Collocations
Common phrases and expressions where native English speakers use the word “crude” in context.
Verb
01. make crude jokes
“He was reprimanded for making crude jokes during the formal dinner.”
verb + adj + noun
02. refine crude oil
“The facility was built specifically to refine crude oil into gasoline.”
verb + adj + noun
Adjective
03. crude oil
“The global economy is heavily dependent on the price of crude oil.”
adj + noun
04. crude to describe
“It would be crude to describe his complex philosophy as mere common sense.”
adj + infinitive
05. somewhat crude
“The initial prototype was somewhat crude, but it proved the concept worked.”
adv + adj
Noun
06. crude approximation
“The sketch provided a crude approximation of what the suspect looked like.”
adj + noun
07. crude awakening
“Investors had a crude awakening when the market crashed overnight.”
adj + noun
08. crude measure
“GDP is often criticized for being a crude measure of a nation's true well-being.”
adj + noun
Real-World Examples
“Haustveit said Washington was also helping to scale up production in Venezuela, noting that the US is sending more than 100,000 bpd of naphtha to the country, where it is blended with heavier crude.” “At the same time, refining capacity – the facilities that convert crude oil into products, such as diesel fuel and gasoline – has been extremely compromised.” Etymology
From Middle English crude, borrowed from Latin crūdus (“raw, bloody, uncooked, undigested, crude”). Doublet of crudo, from Italian. Cognate with Old English hrēaw (“raw, uncooked”) via Proto-Indo-European *krewh₂- (“raw blood”); more at raw.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.
Word family
ADJECTIVE
ADVERB
Related words
Domains
- Exam level
- CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.C1 AdvancedIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.7.0–8.0TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 5.0–5.595–113TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.945–990
- Frequency
- Common
- Level
- C1 · AdvancedOxford
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