Internet culture
Trigger warning
A notice that upcoming content contains material that some people may find distressing.
In everyday use
A post warns readers before describing violence.
What to keep in mind
A warning helps people choose; it does not make the material harmless.
Also searched as: content warning, CW, TW
Further reading
Original explanation and example by Perspectism. Further reading may cover the wider subject, rather than this exact wording. Edition updated 7 October 2026.
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