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speak of the devil

/ˌspiːk əv ðə ˈdɛvəl/
phrase★Intermediate— said when someone appears unexpectedly◆idiom
◆ What It Really Means
A playful acknowledgment of coincidence when someone appears unexpectedly after being mentioned.
¶ Literal Meaning
To literally speak about the devil.
Literal Breakdown
speakto produce words audibly+of the devilbelonging to or concerning the devil
◇ Mental Image
Mentally, it evokes the idea of summoning the devil by speaking their name, leading to their sudden appearance.
◈ When to Use
At a party, you mention an old friend to your group. Moments later, that friend walks in. You say, 'Speak of the devil!' to playfully acknowledge the coincidence.
◉ Cultural Note
The phrase reflects a blend of superstition and humor, rooted in the historical belief that invoking supernatural entities could summon them. Over centuries, it lost its literal meaning and became a casual idiom.
informal

used humorously when someone unexpectedly appears while being talked about

We were just saying how long it's been since we saw Mark, and then Mark walked in. Speak of the devil!

The phrase introduces Mark's arrival humorously after mentioning him.

I was telling my boss about the project delay, and then she called me. Speak of the devil!

The phrase comments on the boss's unexpected call after discussing her.

💡

Often used in social situations to acknowledge coincidence. Can imply mild surprise or amusement.

Collocations

speak of the devil and he shall appeara variant of the idiom, often used in a playful or superstitious tone

Synonyms

talk of the deviljust when I was talking about you

Related Phrases

out of the bluephrase
suddenly and unexpectedly
pure coincidencephrase
a chance occurrence with no cause

💡Pro Tip

When to use

Use this idiom when someone appears right after you mention them, especially in a lighthearted or humorous context. It’s not suitable for serious or formal situations.

⚡Gold Rule

Context matters

This idiom is always used in a positive or neutral context. Never use it if the unexpected appearance is unwelcome or negative.

📖Word Origin

The phrase dates back to at least the 16th century, originating from the belief that invoking the devil would cause their appearance. Over time, it evolved into a playful expression for coincidental meetings.

📝Usage Notes

Common in both casual and semi-formal contexts. Avoid using in serious or formal settings where superstition might be misinterpreted.

Word Breakdown

speak
to utter words
verb
+
of the devil
referring to the devil
noun phrase
English Dictionary

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