unconscientious

Indifferent is a related term of unconscientious.

As a verb indifferent

is .

As an adjective unconscientious is

not conscientious.

Unconscientious is a related term of casual.

As adjectives the difference between unconscientious and casual

is that unconscientious is not conscientious while casual is happening by chance.

As a noun casual is

(british|nz) a worker who is only working for a company occasionally, not as its permanent employee.

As adjectives the difference between remiss and unconscientious

is that remiss is at fault; failing to fulfill responsibility, duty, or obligations while unconscientious is not conscientious.

As adjectives the difference between negligent and unconscientious

is that negligent is careless, without appropriate or sufficient attention while unconscientious is not conscientious.

As adjectives the difference between conscientious and unconscientious

is that conscientious is thorough, careful, or vigilant; implies a desire to do a task well while unconscientious is not conscientious.