1. Resembling or characteristic of a phantom
   - ghostlike, ghostly, phantasmal, spectral, spiritual

See also: supernatural

• unsanitariness
• unsanitary
• unsaponified
• unsarcastic
• unsated
• unsatiable
• unsatiably
• unsatiated
• unsatisfactorily
• unsatisfactoriness
• unsatisfactory
• unsatisfiable
• unsatisfied
• unsatisfying
• unsaturated
• unsaturated fatty acid
• unsaturation
• unsaved
• unsavoriness
• unsavory
• unsavouriness
• unsavoury
• unsay
• unsayable
• unscalable