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Definition of SIS
1. Noun. A female person who has the same parents as another person. "My sister married a musician"
Exact synonyms: Sister
Specialized synonyms: Big Sister, Little Sister, Half Sister, Half-sister, Stepsister
Generic synonyms: Female Sibling
Antonyms: Brother
Derivative terms: Sisterhood, Sisterly
Specialized synonyms: Big Sister, Little Sister, Half Sister, Half-sister, Stepsister
Generic synonyms: Female Sibling
Antonyms: Brother
Derivative terms: Sisterhood, Sisterly
Definition of SIS
1. n. A colloquial abbreviation of Sister.
2. n. Six. See Sise.
Definition of SIS
1. Initialism. (British) Secret Intelligence Service ¹
2. Noun. (informal) Shortened form of sister. ¹
¹ Source: wiktionary.com
Definition of SIS
1. sister [n SISES or SISSES]
Medical Definition of SIS
1.
Lexicographical Neighbors of SIS
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