Collocations for embarrassed - adj.

be, feel, look, seem, sound
become

extremely, fairly, very, etc.
acutely, deeply, terribly
almost
a little, slightly, etc.
faintly
He looked faintly embarrassed.

clearly, obviously, visibly

about
She's embarrassed about her height.

at
He felt acutely embarrassed at being the focus of attention.

by
She seemed almost embarrassed by her own outburst.

for
Amy felt embarrassed for him.

be

financially

Embarrassed is used with these nouns:
laugh, silence