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

See also: immature

Antonym: maturely

• zoophagous
• zoophilia
• zoophilism
• zoophobia
• zoophyte
• zooplankton
• zoopraxiscope
• zoopsia
• zoospore
• zoot suit
• zootoxin
• zori
• zoril
• Zoroaster
• Zoroastrian
• Grimm's law
• grimness
• grimoire
• grimy
• grin
• grind
• grind away
• grind down
• grind organ
• grind out