conscientious

Eager is a related term of conscientious.

As adjectives the difference between eager and conscientious

is that eager is (obsolete) sharp; sour; acid while conscientious is thorough, careful, or vigilant; implies a desire to do a task well.

As a noun eager

is (tidal bore).

As adjectives the difference between optimistic and conscientious

is that optimistic is expecting the best in all possible ways while conscientious is thorough, careful, or vigilant; implies a desire to do a task well.

As adjectives the difference between conscientious and reliable

is that conscientious is thorough, careful, or vigilant; implies a desire to do a task well while reliable is suitable or fit to be relied on; worthy of dependence or reliance; trustworthy.

As a noun reliable is

something or someone reliable or dependable.

As adjectives the difference between contemplative and conscientious

is that contemplative is inclined to contemplate; introspective and thoughtful; meditative while conscientious is thorough, careful, or vigilant; implies a desire to do a task well.

As a noun contemplative

is someone who has dedicated themselves to religious contemplation.

As an adjective conscientious

is thorough, careful, or vigilant; implies a desire to do a task well.

As a noun compliance is

an act of complying.

Conscientious is a synonym of upright.

As adjectives the difference between conscientious and upright

is that conscientious is thorough, careful, or vigilant; implies a desire to do a task well while upright is vertical; erect.

As an adverb upright is

in or into an upright position.

As a noun upright is

any vertical part of a structure, especially one of the goal posts in sports.

As adjectives the difference between hard and conscientious

is that hard is having a severe property; presenting difficulty while conscientious is thorough, careful, or vigilant; implies a desire to do a task well.

As an adverb hard

is with much force or effort.

As a noun hard

is a firm or paved beach or slope convenient for hauling vessels out of the water.

As adjectives the difference between untiring and conscientious

is that untiring is not able to be tired; inexhaustible while conscientious is thorough, careful, or vigilant; implies a desire to do a task well.

As adjectives the difference between conscientious and arrogant

is that conscientious is thorough, careful, or vigilant; implies a desire to do a task well while arrogant is having excessive pride in oneself, often with contempt for others.

As an adjective conscientious

is thorough, careful, or vigilant; implies a desire to do a task well.

As a noun work is

employment .

As a verb work is

to do a specific task by employing physical or mental powers.