1. Showing frivolous or superficial interest; amateurish
   "his dilettantish efforts at painting"
   - dilettante, dilettanteish, sciolistic

See also: superficial

• overcome
• overcomer
• overcompensate
• overcompensation
• overconfidence
• overconfident
• overcook
• overcredulity
• overcredulous
• overcritical
• overcrop
• overcrossing
• overcrowd
• overcultivate
• overcup oak
• overcurious
• overdelicate
• overdevelop
• overdo
• overdog
• overdone
• overdose
• overdraft
• overdraft credit
• overdramatise