Definition of adultlike in English:

adultlike

adjective

  • Characteristic of, resembling, or befitting an adult; mature.

Origin

Early 20th century; earliest use found in John A. Thomson (1861–1933). From adult + -like, probably after childlike.

Pronunciation:

adultlike

/ˈadʌltlʌɪk//əˈdʌltlʌɪk/