What does NSISR stand for online?

Not sure if spelled right

NSISR is an acronym that stands for "Not sure if spelled right." It is used to clarify that the word(s) a person just typed and sent or is sending at the moment may have been misspelled.

The acronym is typically seen online and in text messages when a person doesn't have the time or resources or just doesn't care enough to check the correct spelling of a word before using it. It is not used often and is mostly used by adults since teens and young adults usually don't worry about spelling enough to highlight the spelling error. NSISR is an alternative to sending "sp?".


"He said he was from Kazakhstan (NSISR)."

Related Slang


Last Updated: March 5, 2020

NSISR definition

This page explains what the acronym "NSISR" means. The definition, example, and related terms listed above have been written and compiled by the Slangit team.

We are constantly updating our database with new slang terms, acronyms, and abbreviations. If you would like to suggest a term or an update to an existing one, please let us know!