As an adjective ambitious

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

As a noun enthusiast is

a person filled with or guided by enthusiasm.

As nouns the difference between testimonial and clearance

is that testimonial is a statement, especially one given under oath; testimony while clearance is the act of clearing or something (such as a space) cleared.

As an adjective testimonial

is serving as testimony.

As adjectives the difference between idealistic and ambitious

is that idealistic is of or pertaining to an idealist or to idealism while ambitious is possessing, or controlled by ambition; greatly or inordinately desirous of power, honor, office, superiority, or distinction.

As verbs the difference between sign and noted

is that sign is to make a mark while noted is (note).

As a noun sign

is (sometimes|also used uncountably) a visible indication.

As an adjective noted is

famous; well known because of one's reputation; celebrated.

As verbs the difference between impressed and empresses

is that impressed is (impress) while empresses is .

As an adjective impressed

is strongly affected, especially favourably.

As nouns the difference between hobbit and gnomes

is that hobbit is hobbit while gnomes is .

As verbs the difference between shamble and staggered

is that shamble is to walk while shuffling or dragging the feet while staggered is past tense of stagger.

As a noun shamble

is one of a succession of niches or platforms, one above another, to hold ore which is thrown successively from platform to platform, and thus raised to a higher level.

As an adjective staggered is

astonished, taken aback.

As nouns the difference between dude and noob

is that dude is gum or dude can be ripe blackberry while noob is (internet slang|pejorative) a newb or newbie; refers to the idea that someone is new to a game, concept, or idea; implying a lack of experience also, in some areas the word noob can mean someone is obsessed with things.

As adjectives the difference between discouraged and disillusioned

is that discouraged is having lost confidence or hope; dejected; disheartened while disillusioned is disappointed; experiencing disillusionment; having lost one's illusions.

As verbs the difference between discouraged and disillusioned

is that discouraged is past tense of discourage while disillusioned is past tense of disillusion.

As nouns the difference between postseason and playoffs

is that postseason is the period after the end of the normal sports season during which extra games are held (such as playoffs or championships while playoffs is plural of lang=en.

As an adjective postseason

is of or pertaining to such a period.