There are multiple definitions - click on the translation that matches your context.

vencido

adjetivo

full

mature

adjective

Definitions of mature

(of a bill, bond, or insurance policy etc) due for payment or repayment

These are the rates currently available for renewing a mature bond.

if someone is mature then they behave in the way that you would expect an adult to behave; sensible; reasonable;

"A mature man would not do any of these things" he said.

well-established; stable; reliable

Hong Kong is a mature insurance market, with talented professionals and a well- established legal structure.