The difference between Blunt and Crude

When used as nouns, blunt means a fencer's practice foil with a soft tip, whereas crude means any substance in its natural state.

When used as adjectives, blunt means having a thick edge or point, whereas crude means in a natural, untreated state.

Blunt is also verb with the meaning: to dull the edge or point of, by making it thicker.

check bellow for the other definitions of Blunt and Crude

Blunt as an adjective:

Having a thick edge or point; not sharp.
Blunt as an adjective:

Dull in understanding; slow of discernment; opposed to acute.
Blunt as an adjective:

Abrupt in address; plain; unceremonious; wanting the forms of civility; rough in manners or speech.

Examples:

"the blunt admission that he had never liked my company"
Blunt as an adjective:

Hard to impress or penetrate.
Blunt as an adjective:

Slow or deficient in feeling: insensitive.

Blunt as a noun:

A fencer's practice foil with a soft tip.
Blunt as a noun:

A short needle with a strong point.
Blunt as a noun (smoking):

A marijuana cigar.
Blunt as a noun (UK, slang, archaic, uncountable):

money
Blunt as a noun:

A playboating move resembling a cartwheel performed on a wave.

Blunt as a verb:

To dull the edge or point of, by making it thicker; to make blunt.
Blunt as a verb (figuratively):

To repress or weaken; to impair the force, keenness, or susceptibility, of

Examples:

"It blunted my appetite."

"My feeling towards her have been blunted."

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.