Antonyms for "sister"
1 kid-friendly opposites of sister, perfect for writing and vocabulary work.
What does "sister" mean?
a girl who has the same parents as you Knowing the antonyms of sister helps kids write comparison sentences and understand contrast in stories.
🦓 Opposite words for sister
Click any antonym to look it up:
How to use antonyms in writing
Antonyms are powerful in three writing situations:
1. Contrast sentences — "The room was sister, but the hallway was brother." Comparing opposites makes descriptions vivid.
2. Character development — Two characters with opposite traits (one sister, one brother) create natural tension in a story.
3. Editing for variety — If you've used sister three times in a paragraph, swap one for an antonym to vary your writing.
FAQ — antonyms for sister
What is the opposite of sister?
The most common antonym for sister is brother. Other opposites include —.
Are there different antonyms for sister at different grade levels?
Yes — younger kids learn the simplest opposite first (brother). Older students can pick more precise antonyms depending on context.
What is a synonym for sister?
A common K-2 synonym is sis. See the full synonyms page →
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