cognitohazard.
A sensory signal (such as an image or sound) that directly causes harmful or undesired physiological effects to one who senses or perceives it.
Meaning & usage
A sensory signal (such as an image or sound) that directly causes harmful or undesired physiological effects to one who senses or perceives it.
The symbol on that piece of paper is a cognitohazard which puts everyone who reads it in a week-long coma.
Where this word comes from
Blend of cognition + hazard, likely coined and popularized by the SCP Foundation wiki.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.