The words succubus and incubus come from folklore and describe opposite beings. A succubus is a female demon who seduces men in dreams, while an incubus is a male demon who targets women. These myths, once used to explain nightmares, still appear in modern books and movies, making the difference between succubus vs. incubus important for English learners.

Succubus vs. Incubus: The Basics
What Is a Succubus?
A succubus (plural: succubi) is a female demon in folklore. The word comes from the Latin succubare, meaning “to lie under.” In myths, a succubus was believed to visit men at night, especially in their dreams, to seduce them.
Characteristics of a Succubus:
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Female demon in form
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Often described as very beautiful
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Associated with seduction and temptation
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Linked with nightmares and sleep paralysis in folklore
Example Sentences:
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In the legend, a succubus appeared in the man’s dream.
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Some medieval writers warned of succubi as dangerous spirits.
👉 Key point: Succubus = female demon connected to seduction in myths.
What Is an Incubus?
An incubus (plural: incubi) is the male counterpart to the succubus. The word comes from the Latin incubare, meaning “to lie upon.” An incubus was believed to visit women at night, causing them distress or temptation in dreams.
Characteristics of an Incubus:
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Male demon in form
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Often described as dark, powerful, or frightening
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Associated with oppression and fear during sleep
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Also connected to explanations of sleep paralysis in old folklore
Example Sentences:
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A medieval story described an incubus haunting women in their sleep.
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The priest warned villagers about incubi that caused nightmares.
👉 Key point: Incubus = male demon, often feared as a dark force.
Succubus vs. Incubus: The Main Difference
The clearest difference is gender:
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Succubus = female demon targeting men.
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Incubus = male demon targeting women.
But there’s also a difference in how each was viewed:
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Succubi were often linked to temptation and desire.
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Incubi were more associated with fear, harm, or oppression.
Side-by-Side Comparison
| Term | Gender | Role in Folklore | Example Use |
|---|---|---|---|
| Succubus | Female | Seduces men in dreams | A succubus was said to drain energy from men. |
| Incubus | Male | Haunts or oppresses women | An incubus was believed to cause nightmares. |
History and Origins
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Both terms come from Latin words connected to lying down (sub cubare = lie under, in cubare = lie upon).
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In medieval Europe, these words became popular in church writings and stories that warned people against sin and temptation.
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Before medical science explained sleep paralysis, many people blamed strange night experiences on succubi or incubi.
Succubus and Incubus in Modern Culture
These figures have not disappeared—they appear in movies, books, games, and TV shows.
Examples:
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Movies and TV: Fantasy and horror films often show succubi as beautiful but dangerous women.
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Games: Many role-playing games (RPGs) include succubi and incubi as supernatural characters.
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Books: Authors use these terms in gothic or supernatural fiction to create dark, mysterious moods.
👉 For English learners, recognizing these words helps with understanding cultural references.
Example Sentences
With “Succubus”
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The knight dreamed of a succubus who tried to distract him from his mission.
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In folklore, a succubus was sometimes blamed for strange illnesses.
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The old story described a succubus as a beautiful woman with evil intentions.
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People believed a succubus could appear in dreams and steal a person’s energy.
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The priest warned villagers not to be tempted by a succubus in their visions.
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A fantasy novel showed the hero fighting a succubus in a dark castle.
With “Incubus”
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Villagers feared an incubus that haunted women at night.
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The legend said an incubus caused people to feel trapped in their sleep.
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Some medieval doctors thought an incubus was the reason for bad dreams.
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A woman in the story prayed for protection from an incubus that visited her.
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The tale described the incubus as a shadowy figure pressing on people’s chests.
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In modern fantasy games, an incubus is often shown as a powerful dark spirit.
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