1. In an immature manner
   "his teenage son still behaves very immaturely"
   - jejunely

See also: immature

Antonym: maturely

• foliose
• folium
• folk
• folk art
• folk ballad
• folk dance
• folk dancer
• folk dancing
• folk etymology
• folk music
• folk poet
• folk singer
• folk writer
• folkie
• folklore
• folklorist
• folks
• folksong
• folksy
• folktale
• folky
• follicle
• follicle-stimulating hormone
• follicular
• folliculitis