English Reference

Word

NSF

Phoneticsnsf

Definition

n. Stands for Not Sufficient Funds. A message from a bank that says there is not enough money in an account to pay for a check or a purchase.

n. Abbreviation for Not Sufficient Funds. A banking status indicating that a checking account does not have enough available balance to cover a presented check or electronic debit.

Examples

“The bank returned the check because of NSF.”

“I had to pay a thirty-dollar fee to the store after my payment was declined for NSF.”

“Automated clearing house transactions may be retried up to two times following an initial NSF notification before the merchant must seek an alternative method of payment from the customer.”

Examples

simple

“The bank returned the check because of NSF.”

contextual

“I had to pay a thirty-dollar fee to the store after my payment was declined for NSF.”

complex

“Automated clearing house transactions may be retried up to two times following an initial NSF notification before the merchant must seek an alternative method of payment from the customer.”

Usage

Commonly used as a noun adjunct in phrases like 'NSF fee' or 'NSF check'.

Pitfall

I have an NSF in my account

I have an NSF fee on my account

NSF describes the status of the funds, not the account itself; learners often use it to mean the penalty fee.

Real-World Examples

Common in science writing

“Julien (my co-director) and I are struggling to get ongoing National Science Foundation support as the NSF is reallocating funds from "the environment" and "life sciences" to AI research.”
Phys.org · 12 Sept 2026
“National Science Foundation (NSF), and numerous international agencies and organizations listed in the scientific paper.”
ScienceDaily · 16 Aug 2026

Domains

InternetMedicine

This entry

Level
C1 · Advanced
Frequency
Occasional
Updated

Scan code

englishreference.com/q/nsf

English Reference