lacklustre

Wornout is likely misspelled.

Wornout has no English definition.

As an adjective lacklustre

is british an alternative spelling of lang=en.

Lacklustre is a related term of inert.

As adjectives the difference between lacklustre and inert

is that lacklustre is (british) while inert is unable to move or act; inanimate.

As a noun inert is

(chemistry) a substance that does not react chemically.

Dull is a related term of lacklustre.

As adjectives the difference between dull and lacklustre

is that dull is lacking the ability to cut easily; not sharp while lacklustre is (british).

As a verb dull

is to render dull; to remove or blunt an edge or something that was sharp.

As adjectives the difference between lacklustre and quiet

is that lacklustre is british an alternative spelling of lang=en while quiet is with little or no sound; free from of disturbing noise.

As a verb quiet is

to become quiet, silent, still, tranquil, calm.

As a noun quiet is

the absence of sound; quietness.

Lacklustre is a related term of ordinary.

As an adjective lacklustre

is (british).

As a noun ordinary is

the part of the roman catholic mass that is the same every day.

Fruitless is a related term of lacklustre.

As adjectives the difference between fruitless and lacklustre

is that fruitless is useless; unproductive while lacklustre is (british).

As a noun taxonomy

is the science or the technique used to make a classification.

As an adjective lacklustre is

(british).