noun · 2 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
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Received-Pronunciation:/ˈstaɪ.ɹəʊ/
General-American:/ˈstaɪ.ɹoʊ/
US:Recorded audio is listed in the source snapshot.
rhymes with -aɪɹəʊ
1
noun
Meaning 1
A self-harm cut that reaches the dermis.
Definition source: English Wiktionary via Wiktextract
Usage: Internet
Qualifier: self-harm
Examples
John has a styro on his left arm.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
The dermis itself.
Definition source: English Wiktionary via Wiktextract
Usage: Internet, figuratively
Qualifier: self-harm
Examples
I think I hit my styro.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
History
Etymology
Clipping of styrofoam, referring to its similarity in appearance.