1. [US] A piece of mail returned as undeliverable 
2. A female water-elf

Derived forms: nixies

Encyclopedia: Nixie

• unanimated
• unanimity
• unanimous
• unanimously
• unannealed
• unannounced
• unanswerable
• unanswered
• unanticipated
• unapologetic
• unappareled
• unapparelled
• unapparent
• unappealable
• unappealing
• unappealingly
• unappeasable
• unappendaged
• unappetising
• unappetisingness
• unappetizing
• unappetizingness
• unappreciated
• unappreciative
• unappreciatively