1. Costing nothing
   - complimentary, free, gratis, gratuitous

See also: unpaid

• Domingo de Guzman
• Dominic
• Dominica
• dominical
• Dominican
• Dominican dollar
• Dominican mahogany
• Dominican monetary unit
• Dominican order
• Dominican peso
• Dominican Republic
• Dominick
• Dominicus
• dominie
• dominion
• Dominion Day
• Dominique
• domino
• domino effect
• domino theory
• dominoes
• Sheridan
• sherif
• sheriff
• sheriff's sale