There are 2 main definitions of nappy in English:

nappy1

Syllabification: nap·py
Pronunciation: /ˈnapē
 
/

noun (plural nappies)

British
A baby’s diaper.
More example sentences
  • You will have huge embarrassment value in later life showing your daughter's first boyfriend her as a baby with no nappy!
  • Here you'll find such a nappy alarm which involves clamping a sensor onto the baby's nappy.
  • He was attacked after the class nanny stepped out of the room to change another baby's nappy.

Origin

early 20th century: abbreviation of napkin.

Definition of nappy in:

There are 2 main definitions of nappy in English:

nappy2

Syllabification: nap·py
Pronunciation: /ˈnapē
 
/

adjective

US informal
(Of a black person’s hair) frizzy.
More example sentences
  • ‘She just wanted to know what nappy hair felt like,’ my mom complained all the way home.
  • These were the dark-skinned folk with nappy hair.
  • Well, let me take my nappy hair and get out of here.

Origin

late 15th century (in the sense 'shaggy'): from Middle Dutch noppigh, Middle Low German noppich, from noppe (see nap2). The current sense dates from the early 20th century.

Definition of nappy in: