Crude
Part of speech: adjective
Definition: Being in a natural state. Characterized by simplicity, especially something not carefully or expertly made. Lacking concealing elements. Lacking tact or taste. Being in an unanalyzed form. Immature or unripe.
Part of speech: noun
Definition: Any substance in its natural state. Crude oil.
Example sentence: In 1973, America imported 30 percent of its crude oil needs. Today, that number has doubled to more than 60 percent. Gas prices are as high as they are now in part because we've had no comprehensive national energy policy for the past few decades.
Unrefined
Part of speech: adjective
Definition: crude, raw or unprocessedlacking refinement; uncouth