blue light

Fetched 2026-10-26 (cache).

Synonyms: bude light, blue list, bug light, blue lights

Antonyms: bude light, blue list, bug light, blue lights

Related words from Datamuse; suggestions, not definitions.

Noun

1. {{lb|en|historical|chiefly|nautical}} A [[mixture]] of [[chemical]]s (including [[nitre]], [[sulfur]] and [[antimony]]) used in the eighteenth and nineteenth centuries for [[night-time]] [[signaling]] and general [[illumination]]. {{defdate|from 18th c.}}
2. {{lb|en|US|colloquial|now|historical}} A New England [[federalist]], who opposed the {{w|Anglo-American War of 1812}}; {{i|loosely}}, a [[federalist]]. {{defdate|from 19th c.}}
3. {{lb|en|countable}} A [[flashing]] light, usually fitted to an [[emergency vehicle]]. {{defdate|from 20th c.}}
4. {{&lit|en|blue|light}}

Verb

1. {{lb|en|informal|intransitive}} To [[travel]] [[quickly]] in a [[police]] or [[ambulance]] [[vehicle]] with the [[lightbar]] (and possibly the [[siren]]) activated.

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.