Smart Definition
Etymology
Pronunciation
inmaduro
immature
in-
not
+
mature
fully developed
Inmaduro means immature and can be broken down into in-0 (not0) + mature1 (fully developed1).
adjective
  1. immature
    Not fully developed or grown
    El comportamiento del niño es inmaduro para su edad. // The child's behavior is immature for their age.