This is so embarrassing!

this Determiner

— You use this to show which thing or idea you are talking about. You use it when the thing or idea is close to you. This trip was a great idea. Which book is yours, this one or that one? — The known thing. This man went to the door.

this Demonstrative Determiner

— The thing indicated. This is my hand.

is Verb

— A form of the verb be when talking about someone or something else. He is late for class. Is it hot in here?

so Adverb

— How much; very much. The box was so wide that the person was not able to take it through the door.

so Preposition

— With purpose. Saying the reason why someone does something. The person locks the door so no one is able to come in and take things. We help them so that they can get better.

embarrassing

— adjective (= awkward, sticky, unenviable) hard to deal with; especially causing pain or embarrassment awkward (or embarrassing or difficult) moments in the discussion an awkward pause followed his remark a sticky question in the unenviable position of resorting to an act he had planned to save for the climax of the campaign — adjective (= mortifying) causing to feel shame or chagrin or vexation the embarrassing moment when she found her petticoat down around her ankles it was mortifying to know he had heard every word