Collocations for embarrassing - adj.

be, prove, sound
become, get
make sth
My mother's presence made the situation even more embarrassing.

find sb/sth
I found the whole evening deeply embarrassing.

extremely, fairly, very, etc.
acutely (esp. BrE), deeply, excruciatingly, highly, particularly, terribly, toe-curlingly (BrE)
a deeply embarrassing moment

increasingly
almost
a little, slightly, etc.
potentially
politically

for
It was acutely embarrassing for us all.

to
This latest incident could be embarrassing to the government.

Embarrassing is used with these nouns:
defeat, error, incident, memory, mistake, moment, muddle, position, question, revelation, silence, situation, snub, subject, U-turn