adj

• (archaic) Undisciplined, unruly; not able to be controlled.
  "As Flies to wanton Boyes are we to th' Gods, / They kill us for their sport."
• (obsolete) Playful, sportive; merry or carefree.
  "The grave simplicity of the philosopher was ill calculated to engage her wanton levity, or to fix that unbounded passion for variety, which often discovered personal merit in the meanest of mankind."
• (archaic) Extravagant, unrestrained, excessive.
  "the market price will rise more or less above the natural price, according as either the greatness of the deficiency, or the wealth and wanton luxury of the competitors, happen to animate more or less the eagerness of the competition."

noun

• (archaic) A lewd or immoral person, especially a prostitute.
  "...paints with tremendous force the adulteries of the two wantons Aholah and Aholibah, Israel and Judah, and their love of strangers..."

verb

• (intransitive) To rove and ramble without restraint, rule, or limit; to revel; to play loosely; to frolic.
  "[…] We will fetch thee straight / Adonis painted by a running brook, / And Cytherea all in sedges hid, / Which seem to move and wanton with her breath / Even as the waving sedges play wi’ th’ wind."
• (transitive) To waste or squander, especially in pleasure (most often with away).
  "The young man wantoned away his inheritance."
• (intransitive) To act wantonly; to be lewd or lascivious.
  "Be loving and courteous to your fellow Servants, not gigling or idling out your time, or wantoning in the society of men […]"

noun

• (Philippines, Singapore) wonton (Chinese dumpling)
  "Add wanton, chives and vegetables to broth and season with 1 tablespoon salt, ½ teaspoon sesame oil, and 1 chicken cube."