1. Lacking official approval
   - unaccredited, unlicensed

See also: unauthorised [Brit], unauthorized

• Wyler
• Wylie
• wynd
• Wynette
• Wynfrith
• Wynnea
• Wynnea americana
• Wynnea sparassoides
• Wyoming
• Wyomingite
• Wyrd
• WYSIWYG
• Wystan Hugh Auden
• Wyszynski
• Wytensin
• wyvern
• x
• X chromosome
• X factor
• x-axis
• X-linked
• X-linked dominant inheritance
• X-linked gene
• X-linked recessive inheritance
• X-linked SCID