The difference between Blur and Opaque

When used as nouns, blur means a smear, smudge or blot, whereas opaque means an area of darkness.

When used as verbs, blur means to make indistinct or hazy, to obscure or dim, whereas opaque means to make, render (more) opaque.

When used as adjectives, blur means in a state of doubt or confusion, whereas opaque means neither reflecting nor emitting light.

check bellow for the other definitions of Blur and Opaque

Blur as a verb:

To make indistinct or hazy, to obscure or dim.

Examples:

"to blur a photograph by moving the camera while taking it"
Blur as a verb:

To smear, stain or smudge.

Examples:

"to blur a manuscript by handling it while damp"
Blur as a verb (intransitive):

To become indistinct.
Blur as a verb:

To cause imperfection of vision in; to dim; to darken.
Blur as a verb (obsolete, transitive):

To sully; to stain; to blemish, as reputation.
Blur as a verb (GUI, transitive):

To transfer the input focus away from.

Blur as an adjective (Malaysia, Singapore, informal):

In a state of doubt or confusion.

Opaque as an adjective:

Neither reflecting nor emitting light.
Opaque as an adjective:

Allowing little light to pass through, not translucent or transparent.
Opaque as an adjective (figuratively):

Unclear, unintelligible, hard to get or explain the meaning of
Opaque as an adjective (figuratively):

Obtuse, stupid.
Opaque as an adjective (computing):

Describes a type for which higher-level callers have no knowledge of data values or their representations; all operations are carried out by the type's defined abstract operators.

Opaque as a noun (obsolete, poetic):

An area of darkness; a place or region with no light.
Opaque as a noun:

Something which is opaque rather than translucent.