Bedeutung von “junior” — Learner’s Dictionary

junior

adjective us uk /ˈdʒuːniər/
LOW RANK

B2 low or lower in rank:

a junior minister/senator
YOUNG PEOPLE

B2 for or relating to young people:

NAME written abbreviation Jr mainly US

used at the end of a man's name to show that he is the younger of two men in the same family who have the same name:

Hello, I'd like to speak to Mr Anderson, Junior.

(Definition von “junior adjective” aus dem Cambridge Learner's Dictionary © Cambridge University Press)