aghast

[ uh-gast, uh-gahst ]
/ əˈgæst, əˈgɑst /

adjective

struck with overwhelming shock or amazement; filled with sudden fright or horror: They stood aghast at the sight of the plane crashing.

Origin of aghast

1225–75; Middle English agast frightened, past participle of agasten, equivalent to a- a-3 + gasten, Old English gǣstan to frighten, earlier *gāstjan < Germanic causative *gaistjan; see ghost
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Examples from the Web for aghast

British Dictionary definitions for aghast

aghast

/ (əˈɡɑːst) /

adjective

(postpositive) overcome with amazement or horror

Word Origin for aghast

C13: agast, from Old English gæstan to frighten. The spelling with gh is on the model of ghastly
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012