The difference between Dart and Hasten

When used as verbs, dart means to throw with a sudden effort or thrust, whereas hasten means to move or act in a quick fashion.

Dart is also noun with the meaning: a pointed missile weapon, intended to be thrown by the hand, for example a short lance or javelin.

check bellow for the other definitions of Dart and Hasten

Dart as a noun:

A pointed missile weapon, intended to be thrown by the hand, for example a short lance or javelin
Dart as a noun:

Any sharp-pointed missile weapon, such as an arrow.
Dart as a noun:

Anything resembling such a missile; something that pierces or wounds like such a weapon (can be figurative).
Dart as a noun:

A small object with a pointed tip at one end and feathers at the other, which is thrown at a target in the game of darts.
Dart as a noun (Australia, obsolete):

A plan or scheme.
Dart as a noun:

A sudden or fast movement.
Dart as a noun (sewing):

A fold that is stitched on a garment.
Dart as a noun:

the dace (fish).
Dart as a noun (Australia, Canada, colloquial):

A cigarette.

Dart as a verb (transitive):

To throw with a sudden effort or thrust; to hurl or launch.
Dart as a verb (transitive):

To send forth suddenly or rapidly; to emit; to shoot

Examples:

"The sun darts forth his beams."

"Or what ill eyes malignant glances dart? - rfdatek Alexander Pope"
Dart as a verb (intransitive):

To fly or pass swiftly, like a dart; to move rapidly in one direction; to shoot out quickly

Examples:

"The flying man darted eastward."
Dart as a verb (intransitive):

To start and run with speed; to shoot rapidly along

Examples:

"The deer darted from the thicket."

Hasten as a verb (intransitive):

To move or act in a quick fashion.
Hasten as a verb (transitive):

To make someone speed up or make something happen quicker.
Hasten as a verb (transitive):

To cause some scheduled event to happen earlier.