unconcerned

As adjectives the difference between shiftless and unconcerned

is that shiftless is lazy, unmotivated while unconcerned is indifferent and having no interest; aloof.

As adjectives the difference between unconcerned and nonconcerned

is that unconcerned is indifferent and having no interest; aloof while nonconcerned is not concerned.

As an adjective unconcerned

is indifferent and having no interest; aloof.

As a noun nonconcern is

that which is not a concern (source of anxiety).

As adjectives the difference between unconcerned and concerned

is that unconcerned is indifferent and having no interest; aloof while concerned is showing concern.

As a verb concerned is

(concern).

Unconcerned is a related term of rash.

As an adjective unconcerned

is indifferent and having no interest; aloof.

As a proper noun rash is

.

Stiff is a related term of unconcerned.

As adjectives the difference between stiff and unconcerned

is that stiff is of an object, rigid, hard to bend, inflexible while unconcerned is indifferent and having no interest; aloof.

As a noun stiff

is an average person, usually male, of no particular distinction, skill, or education, often a working stiff''''' or ''lucky '''stiff .

As a verb stiff

is to fail to pay that which one owes (implicitly or explicitly) to another, especially by departing hastily.

Unconcerned is a related term of lukewarm.

As adjectives the difference between unconcerned and lukewarm

is that unconcerned is indifferent and having no interest; aloof while lukewarm is (label) between warm and cool.

Unsympathetic is a related term of unconcerned.

As adjectives the difference between unsympathetic and unconcerned

is that unsympathetic is not sympathetic while unconcerned is indifferent and having no interest; aloof.

Quiet is a related term of unconcerned.

As adjectives the difference between quiet and unconcerned

is that quiet is with little or no sound; free from of disturbing noise while unconcerned is indifferent and having no interest; aloof.

As a verb quiet

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

As a noun quiet

is the absence of sound; quietness.

Perfunctory is a synonym of unconcerned.

As adjectives the difference between perfunctory and unconcerned

is that perfunctory is done merely to discharge a duty; performed mechanically and as a thing of rote; done in a careless and superficial manner; characterized by indifference; as, perfunctory admonitions; aspiring only to minimum standards while unconcerned is indifferent and having no interest; aloof.