Banking notice for a payment failing due to insufficient funds

• Mark on returned checks or failed ACH because of low balance

Internet label meaning content is not appropriate for a named context

• Used in tags like NSFW, NSFL, or NSFM

Medical initialism for a rare fibrosing disorder linked to kidney disease

• Causes skin and organ fibrosis; associated with gadolinium exposure

U.S. federal agency funding non-medical science and engineering research

• Often cited in grants, programs, and research statistics