The meaning of the Acronym SIN is...

SIN is

• Success Ignoring Nature
• Signatures In Need
• Special Item Number

More Meanings For SIN:

• Student Infraction Notice
• Student Information Network
• Service Industry Night
• Someday Is Now
• System Identification Number
• Static Ip Notification
• Secure Identification Number
• Strength In Numbers
• Sine
• Success Ignoring Nature
• Signatures In Need
• Special Item Number
• sinonimo
• Servicio Nacional de Inteligencia
• Self Imposed Nonsense

SIN is also in:

• Chat
• Educational
• General
• Italian
• Military
• NASA
• Networking
• Security
• Spanish
• Universities
• US Government