1. Without soil or spot or stain
   - unsoiled, unstained

See also: clean

• killdeer plover
• killer
• killer bee
• killer cell
• killer T cell
• killer whale
• killick
• killifish
• killing
• killing field
• killing zone
• killingly
• killjoy
• killock
• kiln
• kiln-dried
• kilo
• kilobit
• kilobyte
• kilocalorie
• kilocycle
• kilocycle per second
• kilogram
• kilogram calorie
• kilogram-meter