crude [ˈkruːd]

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¹ crude adjective

• very simple and basic : made or done in a way that does not show a lot of skill
• rude in a way that makes people uncomfortable; especially : talking about sexual matters in a rude way
• very simple and basic in a way that is true but not complete

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² crude noun

• oil as it exists in the ground : petroleum that is not yet ready to be used as fuel —called also crude oil