The President was 'conspicuous by his absence' at the peace talks. [=his absence was very noticeable; people had expected him to be there and noticed that he wasn't]
He was 'conspicuously' [='noticeably'] absent from the meeting.
There were a number of 'conspicuous' changes to the building.
(..) Fine. As you wish. I'm not even here. Is this better? It's better company at least. Still, we could be less conspicuous. Mmm, brother, you look ravishing. It will hurt no less when I kill you in this form. Very well. Perhaps you prefer (..)2013 Thor: The Dark World