perfectionist

As an adjective demanding

is requiring much endurance, strength, or patience.

As a verb demanding

is .

As a noun perfectionist is

one who has a propensity for being displeased with anything that is not perfect or does not meet extremely high standards.

As a noun perfectionist

is one who has a propensity for being displeased with anything that is not perfect or does not meet extremely high standards.

As an adjective consummate is

complete in every detail, perfect, absolute.

As a verb consummate is

to bring (a task, project, goal etc) to completion; to accomplish.

As nouns the difference between perfectibilist and perfectionist

is that perfectibilist is a believer in perfectibility while perfectionist is one who has a propensity for being displeased with anything that is not perfect or does not meet extremely high standards.

As a noun perfectionist

is one who has a propensity for being displeased with anything that is not perfect or does not meet extremely high standards.

As an adjective diligent is

performing with intense concentration, focus, responsible regard.

As nouns the difference between pedant and perfectionist

is that pedant is schoolmaster while perfectionist is one who has a propensity for being displeased with anything that is not perfect or does not meet extremely high standards.

As an adjective pedant

is pedantic.

As an adjective idealist

is .

As a noun perfectionist is

one who has a propensity for being displeased with anything that is not perfect or does not meet extremely high standards.

As an adjective realistic

is expressed or represented as being accurate.

As a noun perfectionist is

one who has a propensity for being displeased with anything that is not perfect or does not meet extremely high standards.

As a noun perfectionist

is one who has a propensity for being displeased with anything that is not perfect or does not meet extremely high standards.

As an adjective pedantic is

like a pedant, overly concerned with formal rules and trivial points of learning.

As nouns the difference between perfectionist and precisionist

is that perfectionist is one who has a propensity for being displeased with anything that is not perfect or does not meet extremely high standards while precisionist is one who values precision.

As nouns the difference between perfection and perfectionist

is that perfection is the quality or state of being perfect or complete, so that nothing requisite is wanting; entire development; consummate culture, skill, or moral excellence; the highest attainable state or degree of excellence; maturity; as, perfection in an art, in a science, or in a system; perfection in form or degree; fruits in perfection while perfectionist is one who has a propensity for being displeased with anything that is not perfect or does not meet extremely high standards.

As a verb perfection

is to perfect.