As nouns the difference between dilemma and confusion

is that dilemma is a circumstance in which a choice must be made between two or more alternatives that seem equally undesirable while confusion is a lack of clarity or order.

As nouns the difference between dilemma and obstacle

is that dilemma is dilemma (a situation with two (or more) alternatives to choose from, and where all alternatives are unsatisfactory or undesirable ) while obstacle is something that impedes, stands in the way of, or holds up progress.

As nouns the difference between dilettante and tyro

is that dilettante is an amateur, someone who dabbles in a field out of casual interest rather than as a profession or serious interest while tyro is a beginner; a novice.

As an adjective dilettante

is pertaining to or like a dilettante.

As a noun diligence

is conscientiousness or determination or perseverance when doing something.

As an adjective ambitious is

possessing, or controlled by ambition; greatly or inordinately desirous of power, honor, office, superiority, or distinction.

As a noun diligence

is conscientiousness or determination or perseverance when doing something.

As an adjective purposeful is

having purpose; intentional.

As adjectives the difference between diligent and assured

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

As a verb assured is

(assure).

As adjectives the difference between diligent and attentive

is that diligent is performing with intense concentration, focus, responsible regard while attentive is paying attention; noticing, watching, listening, or attending closely.

As adjectives the difference between diligent and committed

is that diligent is performing with intense concentration, focus, responsible regard while committed is obligated by a pledge to some course of action.

As a verb committed is

past tense of commit.

As adjectives the difference between diligent and discreet

is that diligent is performing with intense concentration, focus, responsible regard while discreet is respectful of privacy or secrecy; quiet; diplomatic.

As adjectives the difference between diligent and enterprising

is that diligent is performing with intense concentration, focus, responsible regard while enterprising is displaying bravery and daring in the attempt of some task.