incompetent

As adjectives the difference between incompetent and unqualified

is that incompetent is unskilled, lacking normally expected degree of ability while unqualified is not qualified, ineligible, unfit for a position or task.

As a noun incompetent

is a person who is incompetent.

Profitless is a related term of incompetent.

As adjectives the difference between profitless and incompetent

is that profitless is not yielding profit while incompetent is incompetent.

As adjectives the difference between incompetent and unstable

is that incompetent is incompetent while unstable is having a strong tendency to change.

As adjectives the difference between incompetent and inadequate

is that incompetent is unskilled, lacking normally expected degree of ability while inadequate is not adequate; unequal to the purpose; insufficient; deficient; as, inadequate resources, power, conceptions, representations, etc.

As a noun incompetent

is a person who is incompetent.

As a noun taxonomy

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

As an adjective incompetent is

incompetent.

As adjectives the difference between incompetent and capable

is that incompetent is unskilled, lacking normally expected degree of ability while capable is able and efficient; having the ability needed for a specific task; having the disposition to do something; permitting or being susceptible to something.

As a noun incompetent

is a person who is incompetent.

As adjectives the difference between incompetent and stupid

is that incompetent is unskilled, lacking normally expected degree of ability while stupid is lacking in intelligence or exhibiting the quality of having been done by someone lacking in intelligence.

As nouns the difference between incompetent and stupid

is that incompetent is a person who is incompetent while stupid is a stupid person; a fool.

As an adverb stupid is

extremely.

As adjectives the difference between impotent and incompetent

is that impotent is lacking physical strength or vigor; weak while incompetent is unskilled, lacking normally expected degree of ability.

As a noun incompetent is

a person who is incompetent.

As adjectives the difference between incompetent and inhabile

is that incompetent is incompetent while inhabile is (obsolete) not apt or fit; inappropriate; unsuitable.

As adjectives the difference between incompetent and shitheaded

is that incompetent is incompetent while shitheaded is (vulgar) foolish, incompetent.