English Reference
Idiom idiom

speak of the devil


An expression sometimes used when a person mentioned in the current conversation happens to arrive on the scene.

Meaning adapted from Wiktionary, available under CC BY-SA 4.0.


SIMPLE

Speak of the devil — here's Tom now!

CONTEXTUAL

We were just talking about you, and — speak of the devil — you walked in.

COMPLEX

I had just told my colleagues how much I admired the new director when, speak of the devil, she appeared in the doorway.


disputed origin

Shortened from the 17th-century superstition 'Speak of the Devil and he shall appear', a warning against naming the devil lest you summon him.


Related idioms8entries
  1. 01

    blue devils

    Low spirits; depression.

  2. 02

    dance with the devil

    To engage in risky and immoral behavior.

  3. 03

    devil dancing

    Risky, reckless or potentially immoral behavior.

  4. 04

    devil in disguise

    A person or thing that appears to be good, honest, or upstanding, but is inherently nasty, evil, or damaging.

  5. 05

    devil lies in the details

    Synonym of devil is in the details.

  6. 06

    devil's advocate

    One who debates from a viewpoint which one may not actually hold, usually to determine its validity or simply for the sake of argument.

  7. 07

    devil's luck

    astounding good luck.

  8. 08

    folk devil

    A person or type of person blamed by the public for various ills, as during a moral panic.

Last updated August 10, 2026