adj., crud·er, crud·est.

1. Being in an unrefined or natural state; raw.
2. Lacking tact or taste; blunt or offensive: a crude, mannerless oaf; a crude remark.
3. Characterized by uncultured simplicity; lacking in sophistication or subtlety: had only a crude notion of how a computer works.
4. Not carefully or skillfully made; rough: a quick, crude sketch.
5. Undisguised or unadorned; plain: must face the crude truth.
6. Statistics. In an unanalyzed form; not adjusted to allow for related circumstances or data.
7. Archaic. Unripe or immature.

n.

A substance, especially petroleum, in its unrefined state.

[Middle English, from Latin crūdus.]

crudely crude'ly adv.
crudity cru'di·ty (krū'dĭ-tē) or crude'ness n.

SYNONYMS  crude, native, raw. These adjectives mean in a natural state and not yet processed for use: crude rubber; native iron; raw cotton. See also synonyms at rude.

adjective

1. In a natural state and still not prepared for use: native, raw, unprocessed, unrefined. See clean/dirty.
2. Lacking in delicacy or refinement: barbarian, barbaric, boorish, churlish, coarse, crass, gross, ill-bred, indelicate, philistine, rough, rude, tasteless, uncivilized, uncouth, uncultivated, uncultured, unpolished, unrefined, vulgar. See courtesy/discourtesy, smooth/rough.
3. Lacking expert, careful craftsmanship: primitive, raw, rough, rude, unpolished. See good/bad.

adj

Definition: unrefined, natural
Antonyms: formal, planned, refined, sophisticated, stilted

adj

Definition: vulgar, unpolished in manner
Antonyms: gentle, nice, polished, refined, tasteful

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IN BRIEF: Ill mannered. Also: the natural or raw state.

Crude oil is shipped to refineries to be made into oil and gasoline.

Tutor's tip: She "crewed" (served on a boat) on the boat, even though the others found her to be exceptionally "crude" (vulgar, lacking refinement).

Dansk (Danish)
adj. - rå, grov, uhøflig, sjofel
n. - råolie, krudolie

Nederlands (Dutch)
ruw, onbeleefd, platvloers, primitief, grof, cru, ruwe olie

Français (French)
adj. - rudimentaire, approximatif, fruste, grossier, vulgaire, brut (minerai, données), brut (taux de natalité)
n. - pétrole brut

Deutsch (German)
adj. - roh, primitiv, ordinär, grob
n. - Rohprodukt, Rohöl

Ελληνική (Greek)
adj. - ακατέργαστος, ανεπεξέργαστος, τραχύς, χονδροειδής, αβασάνιστος, φανταχτερός, κακόγουστος, άξεστος, ωμός, βάναυσος, σκαιός, αδέξιος, σκιτζίδικος, (για πετρέλαιο) αργό, ακάθαρτο

Italiano (Italian)
crudo, grezzo, rozzo, rude, grossolano

Português (Portuguese)
adj. - cru, indigesto

Русский (Russian)
грубый, резкий

Español (Spanish)
adj. - bruto, tosco, grosero, rústico, ordinario, de baja calidad
n. - persona tosca o grosera, objeto rústico o de baja calidad

Svenska (Swedish)
adj. - rå, i naturligt skick, obearbetad, grovt tillyxad, primitiv, outvecklad, grov, gräll

中文（简体） (Chinese (Simplified))
天然的, 粗糙的, 未成熟的, 天然的物质

中文（繁體） (Chinese (Traditional))
adj. - 天然的, 粗糙的, 未成熟的
n. - 天然的物質

한국어 (Korean)
adj. - 천연 그대로의, 생경한, 조잡한
n. - 원유

日本語 (Japanese)
adj. - 天然のままの, ありのままの, 初期の, 語尾変化のない, 未消化の, ぞんざいな, 粗の
n. - 原油, 原料

العربيه (Arabic)
‏(صفه) (نفط) خام, فض, خشن‏

עברית (Hebrew)
adj. - ‮גס, לא-מעובד‬
n. - ‮נפט גולמי, שטויות‬

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