otonappoku
1. Like an adult; In an adult manner
★ Common
Adjective
#47632
1. Like an adult; In an adult manner
1. gentle; quiet
2. quiet (color, pattern, etc.); sober
1. -ish; -like
1. empty; vacant
1. grown-up (manner, etc.); mature
1. adult; grown-up
1. Adult-like; Mature
1. Not acting like an adult.; Not mature.
1. Was not adult-like.; Was not acting like an adult.
1. Wasn't mature; Wasn't adult-like