Phrase guide

speed demon

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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No pronunciation record was provided for this word.

1

noun

Meaning 1

Anyone or anything that is extremely fast or reckless.

Definition source: English Wiktionary via Wiktextract

Usage: informal

Examples

  • Near-synonym: Speedy Gonzales
  • Being a speed demon in video games is OK, but out here on the roadways in the real world, you might injure or kill your crash victim and end up in prison.
  • The reason they're speed demons at checking off work tasks is that they do the work carelessly and don't bother to check their work for mistakes before submitting it. Maybe they'll get fired eventually, or the company will be plagued with recalls and returns and end up going under.

Meaning relationships

Synonyms: Speedy Gonzales

Antonyms: none provided

2

noun

Meaning 2

a driver who exceeds the safe speed limit

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: speeder

Antonyms: none provided

Broader terms: driver

History

Etymology

No etymology was provided for this word.