/ˈnaɪti/ OR /ˈnaɪti/ (ˈnītē, nī′tē)

Definitions

1. adjective

of or relating to night; nocturnal

“The owl was a nighty creature that was active at dusk.”

2. noun

a type of pajama, especially one with long sleeves and a high collar

“She wore a nighty to bed to keep warm.”