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Alpha Delta Pi (aka ADPi) was the first secret society (sorority) for women and was founded on May 15th, 1851. Their mascot is a lion, their symbol is a diamond, and their flower is a violet. ADPis are very caring women and work very hard to help out their communities and their philanthropy, which is the Ronald McDonald House Charities. These women are classy and don't feel the need to bash other sororities since they were the first. They are usually very outgoing and fun. They know how to have a good time with out getting drunk and looking like a hot mess. Alpha Delta Pi has a great reputation and great sisterhood. ADPi chapters are unique because they are so diverse and don't discriminate againt anybody. They get the best girls during rush and their sisters are not only beautiful on the outside, but on the inside too. Their motto is "we live for each other."
"What bid did you get?"

"I'm an Alpha Delta Pi! They offered me a bid and I'm accepting it!"

"Awww man I'm super jealous. I wanted to get into Alpha Delta Pi."
by ALovee December 28, 2011
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First sorority ever.

Often imitated NEVER duplicated.
If you are lucky enough to be an Alpha Delta Pi then you are part of the best sisterhood ever. Gorgeous ladies, smart, fun, they're the whole package.

What girl doesn't want to be a diamond <>
Alpha Delta Pis are the hottest girls ever!
by jbrant35 January 05, 2012
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Alpha Delta Pi began in 1851 at Wesleyan Female College in Macon, Georgia, where six incredible women changed the world. Led by Eugenia Tucker Fitzgerald, our founders formed The Adelphean Society for “the mental, moral, social, and domestic improvement of its members.” The Adelphean Society, later renamed Alpha Delta Pi, was the first secret society for college women. The principles of scholarship, leadership, sisterhood, and service guide over 215,000 women in more than 134 active collegiate chapters and over 150 alumnae associations of Alpha Delta Pi.
Alpha Delta Pi is a national sorority that can be found all over the united states and canada.
by Rkent18 May 14, 2009
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Adpis are the best ladies on all of their campuses. They are the women to take home to mom and still have fun with. They are ladies in the streets but freaks in the sheets. Every girl dreams of being part of the best and they are first finest forever for a reason!
Jon: Taking Allie home to meet the parents this weekend.
Frank: Good thing you went with and Alpha Delta Pi instead of a DZ
by EKDZTADPI August 05, 2010
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The first sorority ever formed. Their mascot is the lion and their symbol is a diamond. As with any sorority it depends on the specific chapter but in general ADPi is usually characterized with stuck up and selfish girls. They are often referred to as "Shady Pis" and when recruiting look for girls who come from wealthy families. The sorority is often split evenly between the "bookworms" and the girls who party too hard/sleep around. When taking photographs together 9 times out of ten they will be making a diamond shape with their fingers. From the outside in they may seem closely knit and sweet but "adelphae" has become very weak. This used to be a classy sorority but is going downhill along with its reputation.
Jesse: Hey man, so I went out with a sorority girl last night..
William: No wonder you have such a big smile on your face, my man got some last night!!
Jesse: Yea i did.. but now she's gone psycho because apparently she has a boyfriend and he just found out she's been sleeping around
William: Gross man. I bet it was a Alpha Delta Pi, you better get checked out!
by bjfac11 January 07, 2010
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