noun

1. a member of an East Germanic people that ravaged Gaul, Spain, and N Africa and sacked Rome ( 455)
2. a person who, out of malice or ignorance, destroys or spoils any public or private property, esp. that which is beautiful or artistic

Etymology: L Vandalus < Gmc base *wandal- > OE Wendil, ON Vendill

adjective

1. of the Vandals
   also Vandalic Van·dal′ic (van dal′ik)
2. like or characteristic of a vandal; ruthlessly destructive