adjective
- resembling or characteristic of a schoolboy; immature or childish in behavior
Examples
- His schoolboyish enthusiasm for the game was infectious.
- She found his schoolboyish pranks annoying rather than charming.
- The politician’s schoolboyish behavior during the debate was unprofessional.
- Despite being thirty, he still had a schoolboyish grin when excited.
- His schoolboyish crush on his teacher was obvious to everyone.
- The CEO’s schoolboyish competitiveness emerged during board meetings.