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adjective, crud·er, crud·est.
  1. in a raw or unprepared state; unrefined or natural: crude sugar.
  2. lacking in intellectual subtlety, perceptivity, etc.; rudimentary; undeveloped.
  3. lacking finish, polish, or completeness: a crude summary.
  4. lacking culture, refinement, tact, etc.: crude behavior.
  5. undisguised; blunt: a crude answer.
  6. Obsolete. unripe; not mature.

Origin of crude

1350–1400; Middle English < Latin crūdus uncooked, raw, bleeding, rough, akin to cruor blood from a wound; see raw
Related formscrude·ly, adverbcrude·ness, nounun·crude, adjectiveun·crude·ly, adverbun·crude·ness, noun

Synonyms for crude

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Synonym study

1. See raw.

Antonyms for crude

1, 4. refined. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for crudest

Contemporary Examples of crudest

Historical Examples of crudest

British Dictionary definitions for crudest


  1. lacking taste, tact, or refinement; vulgara crude joke
  2. in a natural or unrefined state
  3. lacking care, knowledge, or skilla crude sketch
  4. (prenominal) stark; bluntthe crude facts
  5. (of statistical data) unclassified or unanalysed
  6. archaic unripe
  1. short for crude oil
Derived Formscrudely, adverbcrudity or crudeness, noun

Word Origin for crude

C14: from Latin crūdus bloody, raw; related to Latin cruor blood
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for crudest



late 14c., "in a raw state," from Latin crudus "rough; not cooked, raw, bloody," from PIE *krue-do-, from PIE *kreue- (1) "raw flesh" (see raw). Meaning "lacking grace" is first attested 1640s. Related: Crudely; crudeness. Crude oil is from 1865.

Online Etymology Dictionary, © 2010 Douglas Harper