Antonym: brother. Similar words: consistent, consistently, minister, sinister, register, administer, boisterous, resist. Meaning: ['sɪstə(r)] 
n. 1. a female person who has the same parents as another person 2. (Roman Catholic Church) a title given to a nun (and used as a form of address) 3. a female person who is a fellow member of a sorority or labor union or other group 4. (slang) sometimes used as a term of address for attractive young women.
n. 1. a female person who has the same parents as another person 2. (Roman Catholic Church) a title given to a nun (and used as a form of address) 3. a female person who is a fellow member of a sorority or labor union or other group 4. (slang) sometimes used as a term of address for attractive young women. 
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31. He felt great affection for his sister.
32. My sister warned me not to trust him.
33. Natalie was prettier than her sister.
34. The girl in red is his younger sister.
35. Can you tell her from her twin sister?
36. He was engaged to my sister.
37. His sister gave him a manicure once a month.
38. Janet is Mary's elder sister.
39. His sister quarterbacked the housekeeping last year.
40. Is your sister older or younger than you?
41. My elder sister has a terror of fire.
42. I've got two brothers and one sister.
43. Her baby sister bother her for candy.
43. Sentencedict.com try its best to gather and build good sentences.
44. My parents and my younger sister.
45. Elizabeth understood her husband's loyalty to his sister.
46. While in Seoul I always stop with my sister.
47. She was accompanied by her elder sister.
48. She bears a striking resemblance to her older sister.
49. What a pretty dress your sister is wearing today!
50. She has a sister named Betty.
51. My sister has a talent for music.
52. He slapped his sister, who retaliated by kicking him.
53. Work on it had begun before my sister left.
54. Penelope came forward and embraced her sister.
55. Your sister is trying to read;please be quiet for her sake.
56. She was a small, dainty child, unlike her sister who was large and had big feet.
57. She differs from her sister in the color of her eyes.
58. She is quiet and studious, in marked contrast to her sister.
59. Sister Francesca entered the chapel, took her seat, and promptly fell asleep.
60. Don't keep blaming your little sister for your bad behavior.
More similar words: consistent, consistently, minister, sinister, register, administer, boisterous, resist, subsist, insist, persist, assist, consist, assist in, consist of, consist in, assistant, assistance, resistance, listen, distend, listen to, listener, enlisted, oyster, poster, foster, glistening, mystery, cluster.