[krood] /krud/
adjective, cruder, crudest.
in a raw or unprepared state; unrefined or natural:
"crude sugar."
lacking in intellectual subtlety, perceptivity, etc.; rudimentary; undeveloped.
lacking finish, polish, or completeness:
"a crude summary."
lacking culture, refinement, tact, etc.:
"crude behavior."
undisguised; blunt:
"a crude answer."
Obsolete. unripe; not mature.
1350–1400; Middle English < Latin crūdus uncooked, raw, bleeding, rough, akin to cruor blood from a wound; see raw
Related forms
crudely, adverb
crudeness, noun
uncrude, adjective
uncrudely, adverb
uncrudeness, noun
1. unfinished, coarse. See raw. 4. uncouth, rough, rude, coarse, clumsy.
1, 4. refined.
Example Sentences for crude
The usual chemical process involves making succinic acid from crude oil or natural gas.
Canadians make the mistake of burning a premium fuel, natural gas, to endothermically refine heavy crude oil.
As an engineer, he was also aware oil drills suck up natural gas with crude.
Correspondents are right that it has nothing to do with what they learn at university or anything as crude as ability or merit.
Here's a really crude example that may not be helpful at all.
His particular emotions may be simple, or crude, or flat.
But crude prices have surged in the past decade, and the world's largest energy corporations are thirsty for more oil.
Population density is of course a crude indicator of human and economic activity.
Then again, the talented tenth of a tenth could also embrace crude rent-seeking, leaving the economy in ruins.
Nobody was making crude jokes or bragging about the latest run-in with the hood rats.
British Dictionary definitions for crude
crude (kruːd)
1.  lacking taste, tact, or refinement; vulgar: a crude joke
2.  in a natural or unrefined state
3.  lacking care, knowledge, or skill: a crude sketch
4.  (prenominal) stark; blunt: the crude facts
5.  (of statistical data) unclassified or unanalysed
6.  archaic unripe
7.  short for crude oil
[C14: from Latin crūdus bloody, raw; related to Latin cruor blood]

Collins English Dictionary - Complete & Unabridged 10th Edition
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Word Origin and History for crude
late 14c., from L. crudus "rough, raw, bloody." Originally "in a raw state;" meaning "lacking grace" is first attested 1640s. Crude oil is from 1865.
Online Etymology Dictionary, © 2010 Douglas Harper
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