flabbergast

Mane (Îngilîzî)

Verb

To overwhelm with bewilderment; to amaze, confound, or stun, especially in a ludicrous manner.

Noun

1. (countable) An awkward person.
2. (uncountable) Overwhelming confusion, shock, or surprise.

Hevwate

amaze

astonish

surprise

astound

boggle

dumbfound

strike dumb

stun

bowl over

astony

stonish

bewilder

daze

floor

nonplus

shock

⚡

stagger

stupefy

bedaze

Werger

abasourdir

asombrar

verblüffen

époustoufler

erstaunen

sorprendere

sbalordire

stupire

verblüffend

ébahir

καταπλήσσω

sidérer

étonner

εκπλήσσω

éberluer

Wekî (IPA) tê bilêvkirin

/ˈflæbə(ˌ)ɡɑːst/

Etîmolojî (Îngilîzî)

The origin of the verb is uncertain; possibly dialectal (Suffolk), from flabby or flap (“to strike”) + aghast. The word may be related to Scottish flabrigast (“to boast”) or flabrigastit (“worn out with exertion”).
The noun is derived from the verb.