Dream about brother-in-law or sister-in-law
It usually reflects sibling-like rivalry displaced onto this figure, following the Freudian mechanism of displacement, rather than a real conflict. Per Domhoff, these figures tend to appear in dreams tied to comparing achievements and competing for family approval during real periods of that dynamic — a psychological theme of your own rather than a warning about the actual relationship.
Traditional interpretation
Artemidorus of Daldis, in his Oneirocritica, included relatives acquired through marriage within the circle of domestic figures reflecting the dreamer's social standing within the extended family network, distinguishing them from blood relatives as bound through one's partner rather than directly. Chevalier and Gheerbrant, in their Dictionnaire des symboles, describe horizontal bonds of alliance — chosen brotherhood, pacts between houses or lineages — as a form of bond that multiplies an individual's support network without the hierarchical weight of the parent-child relationship. Under this classical reading, dreaming of a brother- or sister-in-law tends to point to the quality of that extended alliance that entered the dreamer's life through their partner, and how included or excluded they feel within that horizontal, rather than vertical, network.
- Artemidoro de Daldis, Oneirocritica (La interpretación de los sueños) (siglo II d.C.) — Parientes por matrimonio incluidos entre las figuras domésticas que reflejan la posición del soñante en la red familiar ampliada.
- Jean Chevalier y Alain Gheerbrant, Dictionnaire des symboles (1969) — Lazos horizontales de alianza y hermandad elegida como vínculo que amplía la red de apoyo sin jerarquía paterno-filial.
Psychological reading
From a Freudian reading, a brother- or sister-in-law in the dream can receive, through displacement, rivalry or comparison originally belonging to one's own siblings, now reactivated in an equivalent figure who arrived through marriage (The Interpretation of Dreams, 1899). G. William Domhoff, in The Scientific Study of Dreams (2003), via the continuity hypothesis, notes that horizontal in-law figures — brothers- and sisters-in-law — tend to appear in dreams during real periods of comparing achievements, family alliances, or competing for a partner's or their parents' attention or approval. From this view, dreaming of a brother- or sister-in-law usually reflects sibling-like rivalry or cooperation displaced onto this figure, rather than a real, verified conflict with that specific person.
- Sigmund Freud, The Interpretation of Dreams (1900) — Desplazamiento de rivalidad fraterna original hacia figuras de parentesco político equivalentes.
- G. William Domhoff, The Scientific Study of Dreams (2003) — Hipótesis de la continuidad aplicada a figuras de parentesco político horizontal.
Variants
The brother- or sister-in-law competes with you
Dreaming that you're competing with a brother- or sister-in-law — over achievements, family attention, or a partner's approval — usually displaces sibling-like rivalry onto this equivalent figure. It doesn't imply real competition between you two; it more likely reflects an internal comparison about your own place within the extended family group.
The brother- or sister-in-law defends or includes you
A brother- or sister-in-law who defends you, includes you in a conversation, or treats you as an equal in the dream usually expresses the wish to feel fully accepted within that extended family network that came into your life through your partner, beyond the blood tie you don't share with them.
There is unexplained coldness with the brother- or sister-in-law
Unexplained coldness or distance with a brother- or sister-in-law in the dream, with no apparent cause, usually points to an underlying tension — comparison, subtle jealousy, or discomfort — that hasn't been openly named between you while awake, even though it quietly coexists beneath the usual cordial treatment.
Frequently asked questions about dreaming of brother-in-law or sister-in-law
What does it mean to dream that I argue with my brother- or sister-in-law?
It usually reflects sibling-like rivalry displaced onto this figure, following the Freudian mechanism of displacement, rather than a real conflict. Per Domhoff, these figures tend to appear in dreams tied to comparing achievements and competing for family approval during real periods of that dynamic — a psychological theme of your own rather than a warning about the actual relationship.
Related symbols
Ensuenia is an educational and entertainment product, not a medical or psychological diagnosis. If a dream causes you persistent distress, talk to a mental health professional.