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Definition 2024

callowness ‎(usually uncountable, plural callownesses)

The condition of being callow; immaturity.
- 1957, Max Lerner, America as a Civilization (page 61)
  It is likely that historians will look back on American life and see it — with its truths and errors, its callownesses and obsessions and insights, its childishness and its power — as one of the memorable civilizations of history.