The glossary · 24 useful terms

SEX & RELATIONSHIP
GLOSSARY.

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Communication & consent · B

Sexual boundary

A limit, condition, or preference a person names about their own sexual participation. A boundary describes the individual’s limit; a mutual agreement describes what people decide together.

Also found as
boundary, sexual boundaries, personal limit
Related
Consent · Safeword · Communication

BDSM & power dynamics · S

Safeword

A pre-agreed word or signal used to pause or stop an activity. It never replaces or overrides a clear no, stop, withdrawal, distress, freezing, or any other verbal or nonverbal stop signal.

Also found as
safe word, stop word
Related
Consent · Boundary · Aftercare

Fantasies & kinks · F

Fantasy

An imagined situation, feeling, or theme that may be interesting to think about. Having a fantasy does not automatically mean wanting to act on it.

Also found as
sexual fantasy
Related
Kink · Roleplay · Curiosity
Explore the full Fantasy Engine

Fantasies & kinks · K

Kink

A broad umbrella for consensual adult interests, fantasies, dynamics, or play that sit outside a person’s usual sexual script. Kink is not automatically a fetish or BDSM.

Also found as
kinky, kinky sex
Not the same as
Fetish · BDSM
Explore the Kinks family map

Fantasies & kinks · F

Fetish

A pronounced erotic focus on a particular object, body feature, material, situation, or stimulus. The term by itself is not a diagnosis.

Also found as
sexual fetish
Not the same as
Kink

BDSM & power dynamics · B

BDSM

An umbrella term that can include bondage and discipline, dominance and submission, and sadism and masochism. Meanings and practices vary widely.

Also found as
B/D, D/s, S/M
Related
Dominance · Submission · Safeword

BDSM & power dynamics · D

Dominance

A consensual role or dynamic in which a person takes a guiding or directive role within agreed limits.

Also found as
dom, dominant
Related
Submission · Switch · Consent

BDSM & power dynamics · S

Submission

A consensual role or dynamic in which a person chooses to yield some direction or control within agreed limits.

Also found as
sub, submissive
Related
Dominance · Switch · Consent

BDSM & power dynamics · A

Aftercare

Intentional care, connection, space, or check-in after an intense or emotionally charged experience. What helps differs from person to person.

Also found as
post-scene care
Related
Safeword · Boundary · Check-in

Relationship structures · E

Ethical non-monogamy

An umbrella for relationship structures in which more than one sexual or romantic connection is possible with the knowledge and agreement of the people affected. A private fantasy alone is not an ENM relationship structure.

Also found as
ENM, CNM, consensual non-monogamy
Related
Open relationship · Swinging
Explore the ENM relationship map Read the Swinging entry

Relationship dynamics · H

Hotwife

A term used by some adults for a consensual non-monogamy dynamic. Its meaning, agreements, and relationship context differ between people.

Also found as
hot wife, hotwifing
Related
Stag & vixen · Cuckold · ENM
See where Hotwife sits under ENM

Desire & arousal · R

Responsive desire

Desire that tends to appear after appealing stimulation, closeness, or arousal has begun, rather than arriving first as a spontaneous urge.

Also found as
responsive sexual desire
Related
Arousal · Desire

Desire & arousal · A

Arousal

Mental or physical activation connected with sexual interest. Thoughts, feelings, and body responses can arrive together—or not.

Also found as
sexual arousal, turned on
Related
Desire · Orgasm

Pleasure & response · O

Orgasm

A peak of sexual pleasure often involving rhythmic muscular responses and a release of tension. Experiences vary in intensity, sensation, and duration.

Also found as
climax, coming
Related
Arousal · Pleasure

Fantasies & kinks · S

Sexual roleplay

Playing with a character, situation, identity, or relationship dynamic to create a different erotic mood.

Also found as
role play, bedroom roleplay
Related
Fantasy · Kink · Power
Build a roleplay direction

BDSM & power dynamics · B

Bondage

Consensual restriction of movement using hands, positions, or equipment. The appeal may be physical, visual, emotional, or power-based.

Also found as
restraint play
Related
BDSM · Safeword · Submission

BDSM & power dynamics · S

Switch

A person who enjoys more than one side of a power or role dynamic, such as dominance and submission, depending on partner, mood, or scene.

Also found as
switching
Related
Dominance · Submission

Relationship structures · O

Open relationship

A relationship in which partners agree that some sexual or romantic connections with other people are possible. The actual agreements differ widely.

Also found as
open marriage, open relationship
Related
ENM · Swinging
Compare ENM structures

Relationship structures · S

Swinging

A couple-centered form of consensual non-monogamy often focused on shared social or sexual experiences with other adults.

Also found as
swingers, the lifestyle
Related
Soft swap · Full swap · ENM
Explore the Swinging map

Relationship dynamics · C

Cuckold

A fantasy or consensual dynamic that centers one partner’s erotic or emotional response to the other partner’s attention or sexual connection elsewhere.

Also found as
cuckolding, cuck
Related
Hotwife · Voyeurism · Compersion
Read the Cuckold entry

Relationship dynamics · S

Stag and vixen

A label some couples use for a shared, team-oriented non-monogamy fantasy or dynamic, often emphasizing confidence and mutual participation.

Also found as
stag & vixen, stag/vixen
Related
Hotwife · ENM · Compersion
Read the Stag & Vixen entry

Emotions & relationships · C

Compersion

Pleasure, warmth, or happiness connected with another person’s pleasure—often discussed when a partner enjoys another connection.

Also found as
compersive joy
Related
Jealousy · ENM

Emotions & relationships · J

Jealousy

An emotional response to a perceived threat involving attention, attachment, comparison, or loss. It can mix fear, anger, sadness, desire, and uncertainty.

Also found as
sexual jealousy, romantic jealousy
Related
Compersion · Reassurance · Boundary

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