flabbergaster

As verbs the difference between astonished and flabbergaster

is that astonished is (astonish) while flabbergaster is (archaic) to perplex or amaze; to shock or frighten{{reference-book.

As an adjective astonished

is amazed; surprised.

As a noun flabbergaster is

a person, thing, fact or event that is flabbergasting, or that causes extreme shock.

As nouns the difference between flabbergastation and flabbergaster

is that flabbergastation is (colloquial) bewildered shock or surprise; the state or condition of being flabbergasted{{reference-book while flabbergaster is a person, thing, fact or event that is flabbergasting, or that causes extreme shock.

As a verb flabbergaster is

(archaic) to perplex or amaze; to shock or frighten{{reference-book.

As verbs the difference between flabbergasted and flabbergaster

is that flabbergasted is past tense of flabbergast while flabbergaster is to perplex or amaze; to shock or frighten{{reference-book.

As an adjective flabbergasted

is appalled, annoyed, exhausted or disgusted.{{reference-book.

As a noun flabbergaster is

a person, thing, fact or event that is flabbergasting, or that causes extreme shock.

As nouns the difference between taxonomy and flabbergaster

is that taxonomy is the science or the technique used to make a classification while flabbergaster is a person, thing, fact or event that is flabbergasting, or that causes extreme shock.

As a verb flabbergaster is

(archaic) to perplex or amaze; to shock or frighten{{reference-book.

As verbs the difference between flabbergasting and flabbergaster

is that flabbergasting is while flabbergaster is (archaic) to perplex or amaze; to shock or frighten{{reference-book.

As a noun flabbergaster is

a person, thing, fact or event that is flabbergasting, or that causes extreme shock.