1. Occurring without motivation or provocation
   "motiveless malignity"
   - unprovoked, wanton

See also: unmotivated

• sparring mate
• sparring partner
• sparrow
• sparrow hawk
• Sparrow Unit
• sparrow-sized
• sparse
• sparsely
• sparseness
• sparsity
• Sparta
• Spartacus
• spartan
• sparteine
• Spartina
• Spartina cynosuroides
• Spartina pectinmata
• Spartium
• Spartium junceum
• spasm
• spasmodic
• spasmodic laryngitis
• spasmodically
• spasmolysis
• spasmolytic