NSFW
Sayen-es-ef-DUB-uhl-yooUS/ˌɛn ɛs ɛf ˈdʌbəlju/UK/ˌɛn ɛs ɛf ˈdʌbəljuː/
- 1Initialism of not safe for work.
The forum flagged the entire thread as NSFW.
She added an NSFW tag to the post so colleagues wouldn't open it on shared screens.
Note
An initialism that behaves like an ordinary adjective: it takes more NSFW and most NSFW, and its opposite is SFW or work-safe. The article in front of it depends on how it is said. Spoken letter by letter, it takes an (an NSFW tag). Writers also use a, as in Matt Hladik's "a NSFW tweet" (2025). As late as 2012, Frederick Corey and Thomas Nakayama still spelled it out in brackets.
Use it in a sentence
Write your own sentence with NSFW, and AI will tell you whether it fits and which meaning you used.