Anyone's nephew is their sibling's son.
Landlady.
Niece would be an opposite as a niece is female and a nephew is male.
NIECE
Niece would be an opposite as a niece is female and a nephew is male.
In English cousin denotes a family relationship, it is not gender specific.
The feminine opposite of nephew is niece.
Nephew is the opposite of cousin
female.male.
You can either be the uncle or aunt. Depending on your gender.
In English there are no masculine or feminine forms. English uses gender specific nouns for a male or a female. The noun nephew is a word for a male relative; the noun niece is a word for a female relative.
A nibling is a gender-neutral term referring to a niece or nephew.
He is the nephew and you are the uncle or aunt, depending upon your gender.