The difference between Bent and Curved

When used as adjectives, bent means folded, dented, whereas curved means having a curve or curves.

Bent is also noun with the meaning: an inclination or talent.

check bellow for the other definitions of Bent and Curved

Bent as an adjective (Of something that is usually straight):

folded, dented
Bent as an adjective (derogatory, colloquial, chiefly, UK):

Homosexual.
Bent as an adjective:

Determined or insistent.

Examples:

"He was bent on going to Texas, but not even he could say why."

"They were bent on mischief."
Bent as an adjective:

(Of a person) leading a life of crime.
Bent as an adjective (slang, football):

inaccurately aimed

Examples:

"That shot was so bent it left the pitch."
Bent as an adjective (colloquial, chiefly, US):

Suffering from the bends
Bent as an adjective (slang):

High from both marijuana and alcohol.

Examples:

"Man, I am so bent right now!"

Bent as a noun:

An inclination or talent.

Examples:

"He had a natural bent for painting."
Bent as a noun:

A predisposition to act or react in a particular way.

Examples:

"His mind was of a technical bent."
Bent as a noun:

The state of being curved, crooked, or inclined from a straight line; flexure; curvity.

Examples:

"the bent of a bow"

"rfquotek Wilkins"
Bent as a noun:

A declivity or slope, as of a hill.

Examples:

"rfquotek Dryden"
Bent as a noun:

Particular direction or tendency; flexion; course.
Bent as a noun (carpentry):

A transverse frame of a framed structure.
Bent as a noun:

Tension; force of acting; energy; impetus.