im Nu
in no time
Nunavut (in official postal use)
the thirteenth letter of the Greek alphabet (Ν, ν), transliterated as ‘n’
naked
gnu, wildebeest
informal respelling of ‘new’, used especially in names of new or revived genres of popular music
the thirteenth star in a constellation
frequency
sandal
tramp, bum US
stripped to the waist
to be exposed
to strip to the waist
to open one's heart