Far from being vacuous storytelling, myth in its true sense is a communion with the deepest truths of existence.
In a more reflective mood, the Marxist explanation turned out to be almost vacuous, in detail.
Some kind of comparison outside the text or corpus is necessary, otherwise statements of frequency are vacuous.
Sure, he delivered a vacuous inaugural speech.
Unfortunately, while superficially attractive, those context-independent truth criteria which have been suggested turn out to be vacuous or tautological.
showing no intelligence or having no useful purpose: a vacuous expression a vacuous romantic novel