diligent

As a noun assiduity

is great and persistent toil or effort.

As an adjective diligent is

performing with intense concentration, focus, responsible regard.

As adjectives the difference between particular and diligent

is that particular is pertaining only to a part of something; partial while diligent is performing with intense concentration, focus, responsible regard.

As a noun particular

is a small individual part of something larger; a detail, a point.

As adjectives the difference between diligent and austere

is that diligent is performing with intense concentration, focus, responsible regard while austere is austere.

As adjectives the difference between diligent and aware

is that diligent is performing with intense concentration, focus, responsible regard while aware is vigilant or on one's guard against danger or difficulty.

As adjectives the difference between keen and diligent

is that keen is showing a quick and ardent willingness or responsiveness, enthusiastic, eager; interested, intense while diligent is performing with intense concentration, focus, responsible regard.

As a verb keen

is to sharpen; to make cold.

As a noun keen

is a prolonged wail for a deceased person.

As an adverb deftly

is in a deft manner; quickly and neatly in action.

As an adjective diligent is

performing with intense concentration, focus, responsible regard.

As adjectives the difference between dependable and diligent

is that dependable is able, or easily able to be depended on while diligent is performing with intense concentration, focus, responsible regard.

As a noun dependable

is a reliable person or thing.

As adjectives the difference between insufferable and diligent

is that insufferable is not sufferable; very difficult or impossible to endure while diligent is performing with intense concentration, focus, responsible regard.

As adjectives the difference between systematic and diligent

is that systematic is carried out using a planned, ordered procedure while diligent is performing with intense concentration, focus, responsible regard.

As adjectives the difference between accountable and diligent

is that accountable is having accountability (individuals have accountability); answerable while diligent is performing with intense concentration, focus, responsible regard.