I was utterly astounded, or abashed, when I discovered by
final exam grade was a 55.
embarrassed, ashamed,
shamefaced, remorseful,
conscience-stricken,mortified,
humiliated, humbled,
chagrined, crestfallen,
sheepish, red-faced, blushing,
put out of countenance, with
one's tail between one's legs;
aloof
anguish
articulate
bask
defect
Annotations:
‘desert or fail,’ from de- (expressing reversal) + ‘do.’
Basically: Undo