careless

Unexcited is a related term of careless.

As adjectives the difference between unexcited and careless

is that unexcited is (nonstandard) not excited while careless is (lb) free from care; unworried, without anxiety.

Careless is a related term of spiritless.

As adjectives the difference between careless and spiritless

is that careless is (lb) free from care; unworried, without anxiety while spiritless is lacking energy, drive, motivation or emotion enervated.

Loose is a related term of careless.

As adjectives the difference between loose and careless

is that loose is not fixed in place tightly or firmly while careless is (lb) free from care; unworried, without anxiety.

As a verb loose

is to let loose, to free from restraints or loose can be .

As a noun loose

is (archery) the release of an arrow.

As an interjection loose

is (archery) begin shooting; release your arrows.

Careless is a related term of untidy.

As adjectives the difference between careless and untidy

is that careless is (lb) free from care; unworried, without anxiety while untidy is sloppy.

Careless is a related term of unobservant.

As adjectives the difference between careless and unobservant

is that careless is (lb) free from care; unworried, without anxiety while unobservant is not observant.

As a noun slopiness

is the quality of being slopy.

As an adjective careless is

(lb) free from care; unworried, without anxiety.

Phlegmatic is a related term of careless.

As adjectives the difference between phlegmatic and careless

is that phlegmatic is not easily excited to action or passion; calm; sluggish while careless is (lb) free from care; unworried, without anxiety.

As a noun phlegmatic

is one who has a phlegmatic disposition.

Careless is a related term of lukewarm.

As adjectives the difference between careless and lukewarm

is that careless is (lb) free from care; unworried, without anxiety while lukewarm is (label) between warm and cool.

As adjectives the difference between careless and disorderly

is that careless is free from care; unworried, without anxiety while disorderly is not in order; marked by disorder or disarray.

As adjectives the difference between careless and cavalier

is that careless is free from care; unworried, without anxiety while cavalier is not caring enough about something important.

As a noun cavalier is

a military man serving on horse.