Top definition an Arabic female given name. It is of Arabic Origin, a name meaning "The most beautiful lady."

Words fail to describe how great a friend she is, a woman one remembers, known for her honesty. She loves to celebrate with friends, cruises at high altitude. Always there when you need her. An important decision maker. Little things mean A LOT to her.
Guy: so, khairunissa, what exactly does your name mean?
Khairunissa: the most beautiful lady
Guy: yeah right.
by ms-tz February 05, 2010
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