Smart Definition
Etymology
Pronunciation
confianzudo
overfamiliar
confianza
trust
+
-udo
full of
Confianzudo means overfamiliar and can be thought of as confianza0 (trust0) + -udo1 (full of1), describing someone who is too full of trust or familiarity.
adjective
  1. overfamiliar
    Overly familiar or trusting, often in an inappropriate or presumptuous way
    No seas tan confianzudo con tu jefe. // Don't be so overfamiliar with your boss.