"seemingly banal" is a correct and usable phrase in written English.
It is used to describe something that appears or seems to be ordinary or trivial, but may in fact be quite significant. For example, "The seemingly banal details of the contract masked a major power imbalance between the two parties."
He transformed these seemingly banal, utilitarian objects into works of art.Morandi created more than a thousand paintings.
For the departing president, whose many critics had anticipated other endings, those seemingly banal images represented a quiet victory.
Mr. Steinberg saw in this seemingly banal image of workaday commuters three versions of the Statue of Liberty.
Norquist was taken aback by the depth of emotion; vapers described a seemingly banal political issue in deeply personal terms.
Nearby, I stared at a seemingly banal piece of jagged rock jutting up from the level wall.
Seemingly banal in its conceit, wildly startling in its execution, it tracks a film crew that, like a detective squad, investigates what became of an ordinary man.
Every so often, I would look up and say something seemingly appropriate, and inevitably banal.
Here comes Paley: seemingly incapable of a banal sentence, a loose observation, or a distracted fictive moment.
But just like scientific and social inquiry, religion can serve a meaningful and positive role in individual and collective struggles, from the banal to the seemingly unbearable.
Many of the lies are banal, easily disproven and seemingly harmless in their pettiness and irrelevance.
(Rosenberg) Whitney Museum of American Art: 'Trisha Baga: Plymouth Rock 2' (closes on Sunday) "Plymouth Rock 2," a single-room installation by a young up-and-comer, consists of seemingly random video scenes projected on one wall and banal, shadow-casting objects on the floor.
