(UK, finance) Initialism of National Savings and Investments. / (US, historical) Initialism of National Space Institute. / (Bangladesh) Initialism of National Security Intelligence.

(sports) Abbreviation of Nashville.

plural of NSAP address

Somewhat NSFW.

Alternative form of nsRNA

(biochemistry) negative strand RNA

plural of NSM

(Internet slang) Initialism of not safe for life.; i.e. containing graphic or repugnant content (e.g. fetish pornography, gore or lethal violence) that risks psychological trauma to those viewing it

plural of NSN

Initialism of no signature required.