flash

flash · noun

imported

Definitions

noun

  1. 1.

    A sudden brief burst of bright light.

  2. 2.

    A very brief moment of time.

  3. 3.

    A device that produces a brief bright light for photography.

  4. 4.

    A sudden display or occurrence.

Forms

plural: flashes

Phrases & expressions

  • in a flash — very quickly, instantly
  • flash in the pan — something that starts promisingly but fails
  • quick as a flash — extremely fast
  • flash flood — a sudden, rapid flooding
  • flash mob — a group that assembles suddenly in a public place

Related words

Antonyms: darkness, gloom
Synonyms: burst, flare, gleam, spark

Etymology

From Middle English flasshen, of imitative origin, suggesting a sudden movement or burst of light. Related to "splash" and "clash."