Sister: Definition, Meaning, and Examples

Last Updated on
May 30, 2025

1. Sister (noun): A female sibling.
2. Sister (noun): A woman or girl in relation to other children of her parents.
3. Sister (noun): A woman united to another by a shared interest, situation, or aim.
4. Sister (noun): A member of a religious order, especially a nun.

The term "sister" carries multiple meanings, primarily referring to a female sibling but also extending to describe close bonds, shared goals, or even roles in religious communities. It holds deep emotional and cultural significance in both familial and societal contexts. Continue reading to explore its meanings, pronunciation, usage, and more.

"Sister" Definition: What Does "Sister" Mean?

The word "sister" has several definitions, each capturing a distinct aspect of its meaning.

Definition of "Sister": Female Sibling

The most common meaning of "sister" is a female sibling who shares one or both parents with another person.

Definition of "Sister": Woman Sharing a Bond

"Sister" can also describe a woman connected to another through shared experiences, interests, or goals.

Definition of "Sister": Religious Member

In religious contexts, "sister" refers to a nun or a member of a female religious order.

Definition of "Sister": Figurative Use

Figuratively, "sister" can represent solidarity or a deep bond between women outside of familial relationships.

Parts of Speech

"Sister" functions primarily as a noun, referring to a female sibling or a woman in a specific role or bond. Less commonly, it can be used adjectivally, as in "sister city" or "sister organization."

How to Pronounce "Sister"?

The word "sister" is pronounced as "SIS-ter." It has two syllables, with the emphasis placed on the first syllable. The first part, "sis," sounds like the word "sis" in "sisterhood," with a clear 's' sound at the beginning. The second syllable, "ter," rhymes with the word "her," but the 'r' is softer and less pronounced. When saying "sister," make sure to emphasize the "SIS" sound while keeping the "ter" lighter but still audible.

Phonetic Pronunciation: /ˈsɪs.tər/

Synonyms of "Sister": Other Ways to Say "Sister"

There are several synonyms for "sister," depending on context.

  • Sibling
  • Female sibling
  • Nun
  • Comrade
  • Ally
  • Sis (informal)
  • Kin

Antonyms of "Sister": Other Ways to Say "Sister"

Antonyms of "sister" generally focus on opposites in familial or relational contexts.

  • Brother
  • Stranger
  • Outsider
  • Rival

Examples of "Sister" in a Sentence

Here are ten examples showcasing different meanings of sister in various contexts:

  1. My sister and I love baking together on weekends.
  2. She has always considered her best friend to be like a sister.
  3. The two cities formed a sister city partnership to promote cultural exchange.
  4. Sister Mary dedicated her life to serving the community.
  5. During the event, they greeted each other warmly, referring to one another as sister.
  6. The hospital built a sister facility in the neighboring town.
  7. He has two younger sisters who adore him.
  8. The bond between sisters is often unbreakable.
  9. She introduced her sister-in-law at the family gathering.
  10. In their organization, every woman is referred to as sister to emphasize solidarity.

Frequency of Use

The word "sister" is frequently used in everyday conversations, literature, and media. Its usage is particularly common in familial, religious, and metaphorical contexts. In recent years, cultural and social movements have popularized the figurative use of "sister" to symbolize solidarity among women.

Variants of "Sister"

Variants of sister include words that adapt the root meaning while serving slightly different functions or contexts.

  1. Sis: An informal or affectionate shortening of sister, often used in casual conversation or text messaging.
  2. Sisterly: An adjective describing behavior or feelings typical of a sister, such as care, love, or support.
  3. Sistress: An archaic or poetic variant of sister, rarely used in modern English.

Related Terms to "Sister"

These related terms expand on the concept of "sister."

  1. Sibling
  2. Kin
  3. Nun
  4. Sisterhood
  5. Sisterly
  6. Sis

Etymology: History and Origins of "Sister"

The word "sister" originates from the Old English sweostor and the Proto-Germanic swester, which are derived from the Proto-Indo-European root swésor, meaning "sister." It has cognates in many languages, including Old Norse systir, Latin soror, and Sanskrit svasar. Early usage primarily described a female sibling but also extended to members of religious communities during the Middle Ages. By the 19th and 20th centuries, it began to be widely used to signify solidarity in feminist and social movements.

Derivatives and Compounds of "Sister"

Derivatives and compound words of sister incorporate the root word while forming distinct terms with specific meanings.

  1. Sisterhood: Refers to a community or bond shared between women, often in the context of mutual support or a shared goal.
  2. Sister-in-law: Refers to the wife of one's brother or the sister of one's spouse.
  3. Sistership: A term used metaphorically to describe a close relationship or alliance between two groups, organizations, or entities.

Common Misspellings of "Sister"

Here are common errors when spelling "sister."

  1. Sistor
  2. Sistir
  3. Sistur

10 Idioms Similar to "Sister"

Idioms capturing similar meanings:

  1. Sister act
  2. Blood is thicker than water
  3. Big sister mentality
  4. Like a sister
  5. Sister cities
  6. Sister ship
  7. Sister company
  8. Bond of sisterhood
  9. Nun’s habit
  10. Brother from another mother (gender inverse idiom)

10 Common Questions About "Sister"

Here are answers to ten common questions about the word "sister," covering its meanings, uses, and significance.

1. What is the primary meaning of "sister"?

The primary meaning of "sister" refers to a female sibling who shares one or both parents with another person.

2. Can "sister" be used metaphorically?

Yes, "sister" can symbolize unity, solidarity, or a close bond between women who may not be biologically related.

3. What does "sisterhood" mean?

"Sisterhood" refers to the bond or sense of solidarity shared among women, often united by a common cause or experience.

4. What is a "sister city"?

A "sister city" is a partnership between two cities in different regions or countries to promote cultural and economic exchange.

5. Is "sister" used in religious contexts?

Yes, in religious contexts, "sister" refers to a nun or a female member of a religious order.

6. What is a "sister-in-law"?

A "sister-in-law" is the sister of one’s spouse or the wife of one’s brother.

7. What does the phrase "like a sister" mean?

The phrase "like a sister" describes a close emotional bond between two people, similar to that of siblings.

8. Can "sister" be used in business contexts?

Yes, in business, "sister" can describe related entities, such as a "sister company" or organization.

9. What is the origin of the word "sister"?

The word "sister" comes from the Old English sweostor and Proto-Indo-European swesor, which also gave rise to similar words in other languages.

10. Is "sister" commonly used in everyday language?

Yes, "sister" is a widely used word in both casual and formal conversations, as well as in cultural and religious contexts.

Conclusion

The word "sister" primarily refers to a female sibling but carries deeper meanings in cultural, emotional, and religious contexts. It is a word rich with emotional significance, symbolizing both familial bonds and unity in shared goals. Embrace and appreciate the diverse meanings of "sister" in your conversations.

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