"a bore, irritating person," 1947, from Yiddish, with agential suffix -nik + Polish nuda "boredom" or Russian nudnyi "tedious, boring," from Old Church Slavonic *nauda-, from *nauti- "need" (see need (n.)).
nudie
nudification
nudism
nudist
nudity
nudnik
nuff
nugatory
nugget
nuisance
nuke
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