Younger sibling, stereotypically (4)
I believe the answer is:
pest
(Other definitions for pest that I've seen before include "Plague" , "Annoying thing" , "Annoying nuisance" , "A nuisance - step on it" , "Destructive creature" .)
I believe the answer is:
pest
(Other definitions for pest that I've seen before include "Plague" , "Annoying thing" , "Annoying nuisance" , "A nuisance - step on it" , "Destructive creature" .)