Sophomorical, Sophomoric adj. Of or pertaining to a sophomore; resembling a sophomore; hence, pretentious; inflated in style or manner; as, sophomoric affectation. (U. S.)
... out of the tangle and this was to marry the man she loved and knew loved her. Well, he knew with merciless certainty what her answer would be when he asked her—begged her—to do that. He had provided her with the answer himself, with his sophomoric talk about traveling light and refusing to wear harness. And he'd worse than talked. His flight from her at Hickory Hill was enough to show that these weren't mere empty phrases. And yet her life depended to-night upon his ability ... — Mary Wollaston • Henry Kitchell Webster