Bloviatingly

Such bloviatingly empty phrases, not at all atypical, seem lifted from the original Wallese, that debased political dialect, according to Dwight MacDonald, perfected by Henry Wallace...

Source: wiktionary

These days almost any would-be academic can fabricate an irrational thesis, bolster it with bloviatingly portentous phraseology, and release it to the great churn of social media where, even though it can't withstand even a cursory logical examination, it is almost guaranteed to catch the imagination of those whose preconceived biases are already aligned with it.

Source: wiktionary

A blue moon, a blood moon, a wolf moon and a talking whale featured, naturally enough, in the first week for a giddily long time in which President Donald wasn’t the most bloviatingly repellent American to hit our screens.

Source: wiktionary