The difference between Backwards and Crude

When used as adjectives, backwards means oriented toward the back, whereas crude means in a natural, untreated state.

Backwards is also adverb with the meaning: toward the back.

Crude is also noun with the meaning: any substance in its natural state.

check bellow for the other definitions of Backwards and Crude

Backwards as an adjective:

Oriented toward the back.

Examples:

"The battleship had three backwards guns at the stern, in addition to the primary complement''."
Backwards as an adjective:

Reversed.

Examples:

"The backwards lettering on emergency vehicles makes it possible to read in the rear-view mirror."
Backwards as an adjective (derogatory):

Behind current trends or technology.

Examples:

"Modern medicine regards the use of leeches as a backwards practice."
Backwards as an adjective:

Clumsy, inept, or inefficient, especially in learning.

Examples:

"He was a very backwards scholar, but he was a marvel on the football field."

Backwards as an adverb:

Toward the back.

Examples:

"The cabinet [[topple]]d over backwards."

"Life is lived forwards, but understood backwards.''—Søren Kierkegaard"
Backwards as an adverb:

In the opposite direction to usual.

Examples:

"The clock did not work because the battery was inserted backwards."
Backwards as an adverb:

In a manner such that the back precedes the front.

Examples:

"The tour guide walked backwards while droning on to the bored seniors."

Crude as an adjective:

In a natural, untreated state.

Examples:

"crude oil"
Crude as an adjective:

Characterized by simplicity, especially something not carefully or expertly made.

Examples:

"a crude shelter"
Crude as an adjective:

Lacking concealing elements.

Examples:

"a crude truth"
Crude as an adjective:

Lacking tact or taste.

Examples:

"a crude remark"
Crude as an adjective (archaic):

Immature or unripe.
Crude as an adjective (grammar):

Pertaining to the uninflected stem of a word.