adj

• (obsolete) Having harmful qualities; not good; worthless or deleterious.
  "an evil beast; an evil plant; an evil crop"
• (computing, programming, slang) Undesirable; harmful; bad practice.
  "Global variables are evil; storing processing context in object member variables allows those objects to be reused in a much more flexible way."

noun

• (obsolete) A malady or disease; especially in combination, as in king's evil, colt evil.
  "[The disease]Tis call'd the Euill."

adv

• (obsolete) wickedly, evilly, iniquitously
  "O what of Gods then boots it to be borne, / If old Aveugles ſonnes ſo euill heare?"
• (obsolete) injuriously, harmfully; in a damaging way.
  "And many ſhall follow their pernicious wayes, by reaſon of whom the way of trueth ſhall be euill ſpoken of:"
• (obsolete) badly, poorly; in an insufficient way.
  "It went evil with him."