Wiktionary
callowly
adv. In a callow manner.
Usage examples of "callowly".
Beckett was interested in it: a callowly uncomplicated yearning (Nicola decided) to cause distress and preferably damage, trauma, to the female parts.
It was my first encounter with a particular kind of reality, which my religion, my upbringing, and the callowly romantic cast of my mind had declared obscene.
These battleship officers, like most people, were callowly inclined to admire and overestimate the Nazi war machine.