资料来源 : Webster's Revised Unabridged Dictionary (1913)

Sophomoric \Soph`o*mor"ic\, Sophomorical \Soph`o*mor"ic*al\, a.
   Of or pertaining to a sophomore; resembling a sophomore;
   hence, pretentious; inflated in style or manner; as,
   sophomoric affectation. [U. S.]