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Looking for synonyms for "sibling"? Browse alternatives ranked by relevance — sharper word choices for fiction, poetry, and copywriting.
(n)
A sibling, brother or sister (irrespective of gender)
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Son of the same parents as another person.
(figuratively) The body of members, especially of a fraternal, religious or military order.
(often in the plural) A person who raises a child (which they have made, adopted, fostered, taken as their own, etc.).
(adv)
In the manner of a sister, behaving as one would expect of a sister; as a sister, as sisters.
A daughter of the same parents as another person; a female sibling.
(slang) Brother (a male sibling).
(adj)
Of or characteristic of brothers.
Of or pertaining to a brother or brothers.
An association of people for any purpose, such as a society of monks; a fraternity.
Either of two parts that fit together, or complement one another.
Somebody who is, or something that is, at a level or of a value equal (to that of something else).
Either of two people (or, less commonly, animals) who shared the same uterus at the same time; one who was born at the same birth as a sibling.
A small, young bird that is still confined to the nest.
A city, unitary authority, and borough of Devon, England.
(British) Initialism of Secret Intelligence Service. [(UK, formal) MI6]
A male relative.
A female relative.
A kinsman or kinswoman.
Alternative spelling of half sister. [A female sibling sharing a single parent.]
The son of one's stepparent by a previous relationship.
The daughter of one's stepparent by a previous relationship.
a sister born of the same parents
Alternative form of full-sibling. [A person who shares the same set of biological parents]
A biological sibling.
The brother or brother-in-law of one’s parent.
The sibling of one's spouse.
Pronunciation spelling of brother. [Son of the same parents as another person.]
Contraction of brother. [Son of the same parents as another person.]
The sister or sister-in-law of one’s parent.
A female sibling sharing a single parent.
A person who shares the same set of biological parents
a brother born of the same parents
Abbreviation of brother. [Son of the same parents as another person.]
(India) One's wife's sister's husband.
An unrelated male considered to share a brother-like relationship established by a ceremonial sharing of blood in some cultures.
The brother of one's spouse.
(informal) A younger brother.
A fellow foster child of one's foster parent, not otherwise related to oneself.
Synonym of blood brother /blood sister.
One who is not a sibling but has a relationship of that kind.
The brother of one's boyfriend or girlfriend.
Any omnipresent authority or figurehead representing oppressive control.
The state of being a sibling.
Someone whose parents are of different races; a half-breed.
(rare) Used especially as a gender-neutral term: the sibling or sibling-in-law of one's parent.
(informal) A little brother.
(rare) One's spouse's sibling's spouse; either of two (or more) people who marry siblings, from the perspective of the other.
A person belonging to a particular family; a close relative or relation.
A half-brother of one's parent.
A sibling's younger sibling (used especially by children or by parents in speaking to their children).
The sister of one's boyfriend or girlfriend.
Alternative form of sibling-in-law. [A relative of one's generation, separated by one degree of marriage:]
Alternative form of stepbrother. [The son of one's stepparent by a previous relationship.]
A son of one's sibling, brother-in-law, or sister-in-law; either a son of one's brother (fraternal nephew) or a son of one's sister (sororal nephew).
The half sibling of one's spouse.
The son or godson of one's godparent, or the godson of one's parent.
(slang, African-American Vernacular or Jamaica) Pronunciation spelling of brother. [Son of the same parents as another person.]
The child of one's stepparent by a previous relationship.
The half brother of one's spouse.
A child of a parent's sibling; a nephew or niece of a parent; a child of one's uncle or aunt.
The sister of one's spouse.
A person related to another by birth.
A blood relative who shares roughly half a person's DNA, such as a parent, full sibling, or child.
(often childish) A sibling's older sister.
A sister by birth.
(Cockney, MLE, slang) Brother.
Connected to or depending on something else; comparative.
The role or position of sibling.
(informal) A very close male friend.
The child of one's parent's half-sibling.
Someone who shares one's faith; a brother in faith.
Alternative spelling of cousin brother. [(South Asia) A male first cousin.]
A half sister of one's parent.
The manner in which two things may be associated.
A sibling with whom an unborn child shares the womb.
(informal, endearing) A stepbrother.