grandiose

This is a person suffering from severe grandiose delusions and they're getting worse.

And part of America is grandiose, with our long history of shouting “USA! USA! USA!” and the conviction that “We’re number one!”

The winners in the more obscure categories are less polished and more excited about winning, and the performances are looser and, dare I say it, more musical than the grandiose set pieces you'll see later.

For all the media folderol about Donald Trump's triumphant return to the White House, new polling shows that most Americans are actually feeling pretty meh about the prospects for any of his grandiose plans.

He’d become less precise in consistently adhering to the facts in recent weeks, I thought, more grandiose in his account of his own saga.