1. Naughtily or annoyingly playful
   "teasing and worrying with impish laughter"
   - arch, implike, mischievous, pixilated, prankish, puckish, wicked, pixillated

See also: impishness, playful

• extraterrestrial object
• extraterritorial
• extraterritoriality
• extrauterine gestation
• extrauterine pregnancy
• extravagance
• extravagancy
• extravagant
• extravagantly
• extravaganza
• extravasate
• extravasation
• extravascular
• extravehicular
• extraversion
• extraversive
• extravert
• extraverted
• extravertive
• extreme
• extreme point
• extreme right-winger
• extreme unction
• extremely
• extremely high frequency