Like a big sibling (5)
I believe the answer is:
older
(Other definitions for older that I've seen before include "Increasingly mature" , "More ancient" , "Less young" , "more history" , "Earlier" .)
I believe the answer is:
older
(Other definitions for older that I've seen before include "Increasingly mature" , "More ancient" , "Less young" , "more history" , "Earlier" .)