The meaning of SISTER is a female who has one or both parents in common with another. How to use sister in a sentence. Sophie and Emily are sisters. Emily is Sophie's younger /little/ older / big sister. You can use sister to describe something that is of the same type or is connected in some way to another thing you have mentioned. For example, if a company has a sister company, they are connected. Apr 22, 2026 · 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 … Definition of sister noun in Oxford Advanced American Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. Jul 15, 2025 · Discover the comprehensive meaning of "sister," its rich etymology, and varied definitions as a family member, fellow woman, or religious figure. Find usage examples across media, enhancing … May 30, 2025 · 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 … What does SISTER mean? This dictionary definitions page includes all the possible meanings, example usage and translations of the word SISTER. a daughter of the same parents as another person; a female ….