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ENGLISH · A WORD WITH POSSIBILITIES

hashtag.

A metadata tag, signaled by a preceding hash sign (#), used to label content.

7 characters2 syllables approx.English language

Meaning & usage

noun/ˈhæʃˌtæɡ/US
  1. A metadata tag, signaled by a preceding hash sign (#), used to label content.

    Internet
  2. The hash sign itself, especially when used as part of a hashtag.

    Internet · informal · metonymically
Where this word comes from

From earlier hash tag, from hash (sign) + tag. The hash sign # was initially proposed as tag hash by Chris Messina to create groups on Twitter, modeled after the IRC channel prefix. First published use as hash tag by Stowe Boyd in 2007.

verb/ˈhæʃˌtæɡ/US
  1. To label (a message) with a hashtag.

    Internet · ambitransitive
Where this word comes from

From earlier hash tag, from hash (sign) + tag. The hash sign # was initially proposed as tag hash by Chris Messina to create groups on Twitter, modeled after the IRC channel prefix. First published use as hash tag by Stowe Boyd in 2007.

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hashtag has 7 characters. Say it out loud, try it alongside a description of your project, and see whether its meaning fits what you want to create.

hashtag studiohashtag workshello, hashtag

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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.