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

See also: immature

Antonym: maturely

• psychoanalytic process
• psychoanalytical
• psychoanalyze
• psychobabble
• Oxford English Dictionary
• Oxford movement
• Oxford University
• oxford-gray
• oxford-grey
• Oxfordshire
• oxheart
• oxheart cherry
• oxidant
• oxidase
• oxidate
• oxidation
• oxidation number
• oxidation state
• oxidation-reduction
• oxidation-reduction indicator
• oxidative
• oxidative phosphorylation
• oxide
• oxidisable
• oxidisation