1. Lacking seriousness; given to frivolity
   - airheaded, dizzy, featherbrained, giddy, light-headed, lightheaded, silly

See also: frivolous

• Neofiber alleni
• Neogene
• Neohygrophorus
• Neohygrophorus angelesianus
• Neolentinus
• Neolentinus ponderosus
• neoliberal
• neoliberalism
• neolith
• neolithic
• Neolithic Age
• neologism
• neologist
• neology
• neomycin
• Neomys
• Neomys anomalus
• Neomys fodiens
• neon
• neon induction lamp
• neon lamp
• neon light
• neon tube
• neonatal
• neonatal death