1. A supposed power of fascinating, bewitching, or otherwise injuring by the look.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• wvil eye,
• svil eye,
• dvil eye,
• rvil eye,
• 4vil eye,
• 3vil eye,
• ecil eye,
• ebil eye,
• egil eye,
• efil eye,
• evul eye,
• evjl eye,
• evkl eye,
• evol eye,
• ev9l eye,
• ev8l eye,
• evik eye,
• evip eye,
• evio eye,
• evil wye

The adjective form of "evil eye" is "evil-eyed".

The plural form of "evil eye" is "evil eyes"

The singular form of "evil eye" is still "evil eye". It does not change whether it is singular or plural.