otonabimasu
1. To seem/look grown-up; To mature
Verb
#45857
1. To seem/look grown-up; To mature
1. to look (sound, behave) grown-up; to be adult-like
1. Act like an adult.; Be mature.
1. To make someone seem/act mature; To make someone grow up quickly
1. Don't act like an adult.; Don't be precocious.
1. As is; Left as an adult
1. If/when one becomes an adult; When one acts like an adult
1. Mature; Adultlike
1. Don't act like an adult.; Don't be mature.
1. Don't act like an adult.; Don't grow up too fast.