sister

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Meaning

1. A daughter of the same parents as another person; a female sibling.
2. A female member of a religious order; especially one devoted to more active service; (informal) a nun.
3. Any butterfly in the genus Adelpha, so named for the resemblance of the dark-colored wings to the black habit traditionally worn by nuns.
4. A senior or supervisory nurse, often in a hospital.
5. Any woman or girl with whom a bond is felt through the same biological sex, gender or common membership in a community, race, profession, religion, organization, or ism.
6. (slang) A black woman.
7. (informal) A form of address to a woman.
8. A woman, in certain religious, labour or socialist circles; also as a form of address.
9. An entity that has a special or affectionate, non-hierarchical relationship with another.
10. A node in a data structure that shares its parent with another node.
11. Something in the same class.

sister

brother

sibling

nun

younger sister

older sister

sis

younger

your brother

cousin

older

elder sister

nurse

female sibling

friend

relative

family

religious woman

babe

baby

sisters

head nurse

female cousin

aunt

madam

parallel cousin

affiliate

branch

subsidiary

extended family

kinship

younger person

abbess

nun1

stepsister

deaconess

half-sister

sister-in-law

head-nurse

catholic nun

sister of charity

boy’s older sister

comrade

fellow

poof

in-step

mated

elder

my brother

our brother

anchorite

in-law

wife’s brother

girlfriend

Sister

Miss

mother

female friend

sistergirl

hallo

let us go

brother-in-law

nephew

brothers and sisters

niece

big sister

charge nurse

Frequency

Hyphenated as

sis‧ter

Pronounced as (IPA)

/ˈsɪs.tə(ɹ)/

PIE word *swésōr From Middle English sister, suster, from Old English swustor, sweoster, sweostor (“sister, nun”); from Proto-Germanic *swestēr (“sister”), from Proto-Indo-European *swésōr (“sister”). Cognate with Scots sister, syster (“sister”), West Frisian sus, suster (“sister”), Dutch zuster (“sister”), German Schwester (“sister”), Norwegian Bokmål søster (“sister”), Norwegian Nynorsk and Swedish syster (“sister”), Icelandic systir (“sister”), Gothic 𐍃𐍅𐌹𐍃𐍄𐌰𐍂 (swistar, “sister”), Latin soror (“sister”), Russian сестра́ (sestrá, “sister”), Lithuanian sesuo (“sister”), Albanian vajzë (“girl, maiden”), Sanskrit स्वसृ (svásṛ, “sister”), Persian خواهر (xâhar, “sister”). In standard English, the form with i is due to contamination with Old Norse systir (“sister”). The plural sistren is from Middle English sistren, a variant plural of sister, suster (“sister”); compare brethren.